Home / 78,707.40-108,618.30-44,714.76

Finding the Fourth Proportional to 78,707.40, 108,618.30 and 44,714.76

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Solution

The fourth proportional to 78,707.40, 108,618.30 and 44,714.76 is: 61,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707.40 : 108,618.30 = 44,714.76 : x
  2. Step 2: Convert to fraction form
    78,707.40/108,618.30 = 44,714.76/x
  3. Step 3: Cross multiply
    78,707.40x = 108,618.30 × 44,714.76
  4. Step 4: Simplify right side
    78,707.40x = 4,856,841,216.11
  5. Step 5: Solve for x
    x = 4,856,841,216.11/78,707.40
  6. Step 6: Final answer
    x = 61,707.56

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1.5x scale

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.