Home / 97,311.60-134,301.96-54,869.28

Finding the Fourth Proportional to 97,311.60, 134,301.96 and 54,869.28

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Solution

The fourth proportional to 97,311.60, 134,301.96 and 54,869.28 is: 75,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,311.60 : 134,301.96 = 54,869.28 : x
  2. Step 2: Convert to fraction form
    97,311.60/134,301.96 = 54,869.28/x
  3. Step 3: Cross multiply
    97,311.60x = 134,301.96 × 54,869.28
  4. Step 4: Simplify right side
    97,311.60x = 7,369,051,847.79
  5. Step 5: Solve for x
    x = 7,369,051,847.79/97,311.60
  6. Step 6: Final answer
    x = 75,726.35

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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.