Home / 70,151.04-96,810.12-38,319.66

Finding the Fourth Proportional to 70,151.04, 96,810.12 and 38,319.66

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Solution

The fourth proportional to 70,151.04, 96,810.12 and 38,319.66 is: 52,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.04 : 96,810.12 = 38,319.66 : x
  2. Step 2: Convert to fraction form
    70,151.04/96,810.12 = 38,319.66/x
  3. Step 3: Cross multiply
    70,151.04x = 96,810.12 × 38,319.66
  4. Step 4: Simplify right side
    70,151.04x = 3,709,730,882.96
  5. Step 5: Solve for x
    x = 3,709,730,882.96/70,151.04
  6. Step 6: Final answer
    x = 52,882.05

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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.