Home / 71,254.68-98,316.14-42,959.76

Finding the Fourth Proportional to 71,254.68, 98,316.14 and 42,959.76

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Solution

The fourth proportional to 71,254.68, 98,316.14 and 42,959.76 is: 59,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,254.68 : 98,316.14 = 42,959.76 : x
  2. Step 2: Convert to fraction form
    71,254.68/98,316.14 = 42,959.76/x
  3. Step 3: Cross multiply
    71,254.68x = 98,316.14 × 42,959.76
  4. Step 4: Simplify right side
    71,254.68x = 4,223,637,778.53
  5. Step 5: Solve for x
    x = 4,223,637,778.53/71,254.68
  6. Step 6: Final answer
    x = 59,275.23

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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.