Home / 56,208.28-83,685.95-55,423.30

Finding the Fourth Proportional to 56,208.28, 83,685.95 and 55,423.30

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Solution

The fourth proportional to 56,208.28, 83,685.95 and 55,423.30 is: 82,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208.28 : 83,685.95 = 55,423.30 : x
  2. Step 2: Convert to fraction form
    56,208.28/83,685.95 = 55,423.30/x
  3. Step 3: Cross multiply
    56,208.28x = 83,685.95 × 55,423.30
  4. Step 4: Simplify right side
    56,208.28x = 4,638,151,512.64
  5. Step 5: Solve for x
    x = 4,638,151,512.64/56,208.28
  6. Step 6: Final answer
    x = 82,517.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.