Home / 113,723.90-156,935.58-63,422.90

Finding the Fourth Proportional to 113,723.90, 156,935.58 and 63,422.90

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Solution

The fourth proportional to 113,723.90, 156,935.58 and 63,422.90 is: 87,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,723.90 : 156,935.58 = 63,422.90 : x
  2. Step 2: Convert to fraction form
    113,723.90/156,935.58 = 63,422.90/x
  3. Step 3: Cross multiply
    113,723.90x = 156,935.58 × 63,422.90
  4. Step 4: Simplify right side
    113,723.90x = 9,953,309,596.78
  5. Step 5: Solve for x
    x = 9,953,309,596.78/113,723.90
  6. Step 6: Final answer
    x = 87,521.70

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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.