Home / 58,877.25-81,209.43-38,727.69

Finding the Fourth Proportional to 58,877.25, 81,209.43 and 38,727.69

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Solution

The fourth proportional to 58,877.25, 81,209.43 and 38,727.69 is: 53,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,877.25 : 81,209.43 = 38,727.69 : x
  2. Step 2: Convert to fraction form
    58,877.25/81,209.43 = 38,727.69/x
  3. Step 3: Cross multiply
    58,877.25x = 81,209.43 × 38,727.69
  4. Step 4: Simplify right side
    58,877.25x = 3,145,053,630.12
  5. Step 5: Solve for x
    x = 3,145,053,630.12/58,877.25
  6. Step 6: Final answer
    x = 53,417.13

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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.