Home / 91,721.62-137,582.44-60,549.58

Finding the Fourth Proportional to 91,721.62, 137,582.44 and 60,549.58

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Solution

The fourth proportional to 91,721.62, 137,582.44 and 60,549.58 is: 90,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,721.62 : 137,582.44 = 60,549.58 : x
  2. Step 2: Convert to fraction form
    91,721.62/137,582.44 = 60,549.58/x
  3. Step 3: Cross multiply
    91,721.62x = 137,582.44 × 60,549.58
  4. Step 4: Simplify right side
    91,721.62x = 8,330,558,957.38
  5. Step 5: Solve for x
    x = 8,330,558,957.38/91,721.62
  6. Step 6: Final answer
    x = 90,824.38

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1.5x scale

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.