Home / 95,451.60-142,885.80-74,456.40

Finding the Fourth Proportional to 95,451.60, 142,885.80 and 74,456.40

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Solution

The fourth proportional to 95,451.60, 142,885.80 and 74,456.40 is: 111,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,451.60 : 142,885.80 = 74,456.40 : x
  2. Step 2: Convert to fraction form
    95,451.60/142,885.80 = 74,456.40/x
  3. Step 3: Cross multiply
    95,451.60x = 142,885.80 × 74,456.40
  4. Step 4: Simplify right side
    95,451.60x = 10,638,762,279.12
  5. Step 5: Solve for x
    x = 10,638,762,279.12/95,451.60
  6. Step 6: Final answer
    x = 111,457.14

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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.