Home / 75,127.62-103,681.08-43,298.55

Finding the Fourth Proportional to 75,127.62, 103,681.08 and 43,298.55

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Solution

The fourth proportional to 75,127.62, 103,681.08 and 43,298.55 is: 59,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.62 : 103,681.08 = 43,298.55 : x
  2. Step 2: Convert to fraction form
    75,127.62/103,681.08 = 43,298.55/x
  3. Step 3: Cross multiply
    75,127.62x = 103,681.08 × 43,298.55
  4. Step 4: Simplify right side
    75,127.62x = 4,489,240,426.43
  5. Step 5: Solve for x
    x = 4,489,240,426.43/75,127.62
  6. Step 6: Final answer
    x = 59,754.86

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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.