Home / 113,635.86-156,818.51-62,650.40

Finding the Fourth Proportional to 113,635.86, 156,818.51 and 62,650.40

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Solution

The fourth proportional to 113,635.86, 156,818.51 and 62,650.40 is: 86,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,635.86 : 156,818.51 = 62,650.40 : x
  2. Step 2: Convert to fraction form
    113,635.86/156,818.51 = 62,650.40/x
  3. Step 3: Cross multiply
    113,635.86x = 156,818.51 × 62,650.40
  4. Step 4: Simplify right side
    113,635.86x = 9,824,742,378.90
  5. Step 5: Solve for x
    x = 9,824,742,378.90/113,635.86
  6. Step 6: Final answer
    x = 86,458.12

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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.