Home / 97,318.61-134,299.70-54,877.15

Finding the Fourth Proportional to 97,318.61, 134,299.70 and 54,877.15

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Solution

The fourth proportional to 97,318.61, 134,299.70 and 54,877.15 is: 75,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,318.61 : 134,299.70 = 54,877.15 : x
  2. Step 2: Convert to fraction form
    97,318.61/134,299.70 = 54,877.15/x
  3. Step 3: Cross multiply
    97,318.61x = 134,299.70 × 54,877.15
  4. Step 4: Simplify right side
    97,318.61x = 7,369,984,781.86
  5. Step 5: Solve for x
    x = 7,369,984,781.86/97,318.61
  6. Step 6: Final answer
    x = 75,730.48

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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.