Home / 58,127.38-80,240.16-39,290.02

Finding the Fourth Proportional to 58,127.38, 80,240.16 and 39,290.02

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Solution

The fourth proportional to 58,127.38, 80,240.16 and 39,290.02 is: 54,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,127.38 : 80,240.16 = 39,290.02 : x
  2. Step 2: Convert to fraction form
    58,127.38/80,240.16 = 39,290.02/x
  3. Step 3: Cross multiply
    58,127.38x = 80,240.16 × 39,290.02
  4. Step 4: Simplify right side
    58,127.38x = 3,152,637,491.20
  5. Step 5: Solve for x
    x = 3,152,637,491.20/58,127.38
  6. Step 6: Final answer
    x = 54,236.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.