Home / 70,175.06-96,842.85-38,345.30

Finding the Fourth Proportional to 70,175.06, 96,842.85 and 38,345.30

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Solution

The fourth proportional to 70,175.06, 96,842.85 and 38,345.30 is: 52,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,175.06 : 96,842.85 = 38,345.30 : x
  2. Step 2: Convert to fraction form
    70,175.06/96,842.85 = 38,345.30/x
  3. Step 3: Cross multiply
    70,175.06x = 96,842.85 × 38,345.30
  4. Step 4: Simplify right side
    70,175.06x = 3,713,468,136.11
  5. Step 5: Solve for x
    x = 3,713,468,136.11/70,175.06
  6. Step 6: Final answer
    x = 52,917.21

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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.