Home / 89,904.13-134,814.48-52,474.98

Finding the Fourth Proportional to 89,904.13, 134,814.48 and 52,474.98

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Solution

The fourth proportional to 89,904.13, 134,814.48 and 52,474.98 is: 78,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,904.13 : 134,814.48 = 52,474.98 : x
  2. Step 2: Convert to fraction form
    89,904.13/134,814.48 = 52,474.98/x
  3. Step 3: Cross multiply
    89,904.13x = 134,814.48 × 52,474.98
  4. Step 4: Simplify right side
    89,904.13x = 7,074,387,141.71
  5. Step 5: Solve for x
    x = 7,074,387,141.71/89,904.13
  6. Step 6: Final answer
    x = 78,688.12

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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.