Home / 55,511.10-83,266.65-55,122.30

Finding the Fourth Proportional to 55,511.10, 83,266.65 and 55,122.30

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Solution

The fourth proportional to 55,511.10, 83,266.65 and 55,122.30 is: 82,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.10 : 83,266.65 = 55,122.30 : x
  2. Step 2: Convert to fraction form
    55,511.10/83,266.65 = 55,122.30/x
  3. Step 3: Cross multiply
    55,511.10x = 83,266.65 × 55,122.30
  4. Step 4: Simplify right side
    55,511.10x = 4,589,849,261.30
  5. Step 5: Solve for x
    x = 4,589,849,261.30/55,511.10
  6. Step 6: Final answer
    x = 82,683.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.