Home / 113,703.44-156,909.50-62,718.32

Finding the Fourth Proportional to 113,703.44, 156,909.50 and 62,718.32

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Solution

The fourth proportional to 113,703.44, 156,909.50 and 62,718.32 is: 86,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,703.44 : 156,909.50 = 62,718.32 : x
  2. Step 2: Convert to fraction form
    113,703.44/156,909.50 = 62,718.32/x
  3. Step 3: Cross multiply
    113,703.44x = 156,909.50 × 62,718.32
  4. Step 4: Simplify right side
    113,703.44x = 9,841,099,133.90
  5. Step 5: Solve for x
    x = 9,841,099,133.90/113,703.44
  6. Step 6: Final answer
    x = 86,550.59

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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.