Home / 113,427.48-156,527.15-62,439.75

Finding the Fourth Proportional to 113,427.48, 156,527.15 and 62,439.75

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Solution

The fourth proportional to 113,427.48, 156,527.15 and 62,439.75 is: 86,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,427.48 : 156,527.15 = 62,439.75 : x
  2. Step 2: Convert to fraction form
    113,427.48/156,527.15 = 62,439.75/x
  3. Step 3: Cross multiply
    113,427.48x = 156,527.15 × 62,439.75
  4. Step 4: Simplify right side
    113,427.48x = 9,773,516,114.21
  5. Step 5: Solve for x
    x = 9,773,516,114.21/113,427.48
  6. Step 6: Final answer
    x = 86,165.33

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1.5x scale

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.