Home / 70,068.12-96,697.16-39,451.76

Finding the Fourth Proportional to 70,068.12, 96,697.16 and 39,451.76

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Solution

The fourth proportional to 70,068.12, 96,697.16 and 39,451.76 is: 54,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,068.12 : 96,697.16 = 39,451.76 : x
  2. Step 2: Convert to fraction form
    70,068.12/96,697.16 = 39,451.76/x
  3. Step 3: Cross multiply
    70,068.12x = 96,697.16 × 39,451.76
  4. Step 4: Simplify right side
    70,068.12x = 3,814,873,149.00
  5. Step 5: Solve for x
    x = 3,814,873,149.00/70,068.12
  6. Step 6: Final answer
    x = 54,445.20

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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.