Home / 84,026.20-126,039.30-64,999.30

Finding the Fourth Proportional to 84,026.20, 126,039.30 and 64,999.30

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Solution

The fourth proportional to 84,026.20, 126,039.30 and 64,999.30 is: 97,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,026.20 : 126,039.30 = 64,999.30 : x
  2. Step 2: Convert to fraction form
    84,026.20/126,039.30 = 64,999.30/x
  3. Step 3: Cross multiply
    84,026.20x = 126,039.30 × 64,999.30
  4. Step 4: Simplify right side
    84,026.20x = 8,192,466,272.49
  5. Step 5: Solve for x
    x = 8,192,466,272.49/84,026.20
  6. Step 6: Final answer
    x = 97,498.95

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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.