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Finding the Fourth Proportional to 85,064.73, 127,597.14 and 38,262.93

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Solution

The fourth proportional to 85,064.73, 127,597.14 and 38,262.93 is: 57,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064.73 : 127,597.14 = 38,262.93 : x
  2. Step 2: Convert to fraction form
    85,064.73/127,597.14 = 38,262.93/x
  3. Step 3: Cross multiply
    85,064.73x = 127,597.14 × 38,262.93
  4. Step 4: Simplify right side
    85,064.73x = 4,882,240,436.02
  5. Step 5: Solve for x
    x = 4,882,240,436.02/85,064.73
  6. Step 6: Final answer
    x = 57,394.42

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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.