Home / 95,427.60-142,849.80-74,432.40

Finding the Fourth Proportional to 95,427.60, 142,849.80 and 74,432.40

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Solution

The fourth proportional to 95,427.60, 142,849.80 and 74,432.40 is: 111,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,427.60 : 142,849.80 = 74,432.40 : x
  2. Step 2: Convert to fraction form
    95,427.60/142,849.80 = 74,432.40/x
  3. Step 3: Cross multiply
    95,427.60x = 142,849.80 × 74,432.40
  4. Step 4: Simplify right side
    95,427.60x = 10,632,653,453.52
  5. Step 5: Solve for x
    x = 10,632,653,453.52/95,427.60
  6. Step 6: Final answer
    x = 111,421.16

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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.