Home / 89,011.91-122,815.79-52,695.11

Finding the Fourth Proportional to 89,011.91, 122,815.79 and 52,695.11

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Solution

The fourth proportional to 89,011.91, 122,815.79 and 52,695.11 is: 72,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.91 : 122,815.79 = 52,695.11 : x
  2. Step 2: Convert to fraction form
    89,011.91/122,815.79 = 52,695.11/x
  3. Step 3: Cross multiply
    89,011.91x = 122,815.79 × 52,695.11
  4. Step 4: Simplify right side
    89,011.91x = 6,471,791,410.53
  5. Step 5: Solve for x
    x = 6,471,791,410.53/89,011.91
  6. Step 6: Final answer
    x = 72,707.03

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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.