Home / 113,475.63-156,595.05-62,487.30

Finding the Fourth Proportional to 113,475.63, 156,595.05 and 62,487.30

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Solution

The fourth proportional to 113,475.63, 156,595.05 and 62,487.30 is: 86,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,475.63 : 156,595.05 = 62,487.30 : x
  2. Step 2: Convert to fraction form
    113,475.63/156,595.05 = 62,487.30/x
  3. Step 3: Cross multiply
    113,475.63x = 156,595.05 × 62,487.30
  4. Step 4: Simplify right side
    113,475.63x = 9,785,201,867.87
  5. Step 5: Solve for x
    x = 9,785,201,867.87/113,475.63
  6. Step 6: Final answer
    x = 86,231.75

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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.