Home / 84,714.30-126,925.65-55,116.90

Finding the Fourth Proportional to 84,714.30, 126,925.65 and 55,116.90

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Solution

The fourth proportional to 84,714.30, 126,925.65 and 55,116.90 is: 82,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,714.30 : 126,925.65 = 55,116.90 : x
  2. Step 2: Convert to fraction form
    84,714.30/126,925.65 = 55,116.90/x
  3. Step 3: Cross multiply
    84,714.30x = 126,925.65 × 55,116.90
  4. Step 4: Simplify right side
    84,714.30x = 6,995,748,358.49
  5. Step 5: Solve for x
    x = 6,995,748,358.49/84,714.30
  6. Step 6: Final answer
    x = 82,580.49

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1.5x scale

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.