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Finding the Fourth Proportional to 88,904.95, 133,357.54 and 36,314.45

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Solution

The fourth proportional to 88,904.95, 133,357.54 and 36,314.45 is: 54,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,904.95 : 133,357.54 = 36,314.45 : x
  2. Step 2: Convert to fraction form
    88,904.95/133,357.54 = 36,314.45/x
  3. Step 3: Cross multiply
    88,904.95x = 133,357.54 × 36,314.45
  4. Step 4: Simplify right side
    88,904.95x = 4,842,805,718.45
  5. Step 5: Solve for x
    x = 4,842,805,718.45/88,904.95
  6. Step 6: Final answer
    x = 54,471.72

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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.