Home / 113,642.58-156,827.80-62,657.14

Finding the Fourth Proportional to 113,642.58, 156,827.80 and 62,657.14

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Solution

The fourth proportional to 113,642.58, 156,827.80 and 62,657.14 is: 86,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,642.58 : 156,827.80 = 62,657.14 : x
  2. Step 2: Convert to fraction form
    113,642.58/156,827.80 = 62,657.14/x
  3. Step 3: Cross multiply
    113,642.58x = 156,827.80 × 62,657.14
  4. Step 4: Simplify right side
    113,642.58x = 9,826,381,420.49
  5. Step 5: Solve for x
    x = 9,826,381,420.49/113,642.58
  6. Step 6: Final answer
    x = 86,467.43

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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.