Home / 102,591.10-153,886.65-60,427.90

Finding the Fourth Proportional to 102,591.10, 153,886.65 and 60,427.90

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Solution

The fourth proportional to 102,591.10, 153,886.65 and 60,427.90 is: 90,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,591.10 : 153,886.65 = 60,427.90 : x
  2. Step 2: Convert to fraction form
    102,591.10/153,886.65 = 60,427.90/x
  3. Step 3: Cross multiply
    102,591.10x = 153,886.65 × 60,427.90
  4. Step 4: Simplify right side
    102,591.10x = 9,299,047,097.54
  5. Step 5: Solve for x
    x = 9,299,047,097.54/102,591.10
  6. Step 6: Final answer
    x = 90,641.85

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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.