Home / 55,501.40-83,252.10-54,189.20

Finding the Fourth Proportional to 55,501.40, 83,252.10 and 54,189.20

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Solution

The fourth proportional to 55,501.40, 83,252.10 and 54,189.20 is: 81,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,501.40 : 83,252.10 = 54,189.20 : x
  2. Step 2: Convert to fraction form
    55,501.40/83,252.10 = 54,189.20/x
  3. Step 3: Cross multiply
    55,501.40x = 83,252.10 × 54,189.20
  4. Step 4: Simplify right side
    55,501.40x = 4,511,364,697.32
  5. Step 5: Solve for x
    x = 4,511,364,697.32/55,501.40
  6. Step 6: Final answer
    x = 81,283.80

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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.