Home / 115,497.18-159,375.72-64,502.84

Finding the Fourth Proportional to 115,497.18, 159,375.72 and 64,502.84

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Solution

The fourth proportional to 115,497.18, 159,375.72 and 64,502.84 is: 89,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,497.18 : 159,375.72 = 64,502.84 : x
  2. Step 2: Convert to fraction form
    115,497.18/159,375.72 = 64,502.84/x
  3. Step 3: Cross multiply
    115,497.18x = 159,375.72 × 64,502.84
  4. Step 4: Simplify right side
    115,497.18x = 10,280,186,567.04
  5. Step 5: Solve for x
    x = 10,280,186,567.04/115,497.18
  6. Step 6: Final answer
    x = 89,008.12

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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.