Home / 84,743.07-126,957.32-60,677.71

Finding the Fourth Proportional to 84,743.07, 126,957.32 and 60,677.71

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Solution

The fourth proportional to 84,743.07, 126,957.32 and 60,677.71 is: 90,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,743.07 : 126,957.32 = 60,677.71 : x
  2. Step 2: Convert to fraction form
    84,743.07/126,957.32 = 60,677.71/x
  3. Step 3: Cross multiply
    84,743.07x = 126,957.32 × 60,677.71
  4. Step 4: Simplify right side
    84,743.07x = 7,703,479,445.34
  5. Step 5: Solve for x
    x = 7,703,479,445.34/84,743.07
  6. Step 6: Final answer
    x = 90,903.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.