Home / 113,590.92-156,782.19-70,602.88

Finding the Fourth Proportional to 113,590.92, 156,782.19 and 70,602.88

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Solution

The fourth proportional to 113,590.92, 156,782.19 and 70,602.88 is: 97,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,590.92 : 156,782.19 = 70,602.88 : x
  2. Step 2: Convert to fraction form
    113,590.92/156,782.19 = 70,602.88/x
  3. Step 3: Cross multiply
    113,590.92x = 156,782.19 × 70,602.88
  4. Step 4: Simplify right side
    113,590.92x = 11,069,273,793.69
  5. Step 5: Solve for x
    x = 11,069,273,793.69/113,590.92
  6. Step 6: Final answer
    x = 97,448.58

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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.