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Finding the Fourth Proportional to 62,088.61, 85,712.03 and 38,235.73

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Solution

The fourth proportional to 62,088.61, 85,712.03 and 38,235.73 is: 52,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,088.61 : 85,712.03 = 38,235.73 : x
  2. Step 2: Convert to fraction form
    62,088.61/85,712.03 = 38,235.73/x
  3. Step 3: Cross multiply
    62,088.61x = 85,712.03 × 38,235.73
  4. Step 4: Simplify right side
    62,088.61x = 3,277,262,036.83
  5. Step 5: Solve for x
    x = 3,277,262,036.83/62,088.61
  6. Step 6: Final answer
    x = 52,783.63

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1.5x scale

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.