Home / 88,332.68-121,888.02-59,714.60

Finding the Fourth Proportional to 88,332.68, 121,888.02 and 59,714.60

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Solution

The fourth proportional to 88,332.68, 121,888.02 and 59,714.60 is: 82,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332.68 : 121,888.02 = 59,714.60 : x
  2. Step 2: Convert to fraction form
    88,332.68/121,888.02 = 59,714.60/x
  3. Step 3: Cross multiply
    88,332.68x = 121,888.02 × 59,714.60
  4. Step 4: Simplify right side
    88,332.68x = 7,278,493,749.65
  5. Step 5: Solve for x
    x = 7,278,493,749.65/88,332.68
  6. Step 6: Final answer
    x = 82,398.66

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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.