Home / 89,904.38-134,814.84-52,475.28

Finding the Fourth Proportional to 89,904.38, 134,814.84 and 52,475.28

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Solution

The fourth proportional to 89,904.38, 134,814.84 and 52,475.28 is: 78,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,904.38 : 134,814.84 = 52,475.28 : x
  2. Step 2: Convert to fraction form
    89,904.38/134,814.84 = 52,475.28/x
  3. Step 3: Cross multiply
    89,904.38x = 134,814.84 × 52,475.28
  4. Step 4: Simplify right side
    89,904.38x = 7,074,446,477.16
  5. Step 5: Solve for x
    x = 7,074,446,477.16/89,904.38
  6. Step 6: Final answer
    x = 78,688.56

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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.