Home / 112,508.60-168,782.34-45,984.92

Finding the Fourth Proportional to 112,508.60, 168,782.34 and 45,984.92

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Solution

The fourth proportional to 112,508.60, 168,782.34 and 45,984.92 is: 68,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,508.60 : 168,782.34 = 45,984.92 : x
  2. Step 2: Convert to fraction form
    112,508.60/168,782.34 = 45,984.92/x
  3. Step 3: Cross multiply
    112,508.60x = 168,782.34 × 45,984.92
  4. Step 4: Simplify right side
    112,508.60x = 7,761,442,402.31
  5. Step 5: Solve for x
    x = 7,761,442,402.31/112,508.60
  6. Step 6: Final answer
    x = 68,985.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.