Home / 70,691.19-97,555.77-38,860.62

Finding the Fourth Proportional to 70,691.19, 97,555.77 and 38,860.62

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Solution

The fourth proportional to 70,691.19, 97,555.77 and 38,860.62 is: 53,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.19 : 97,555.77 = 38,860.62 : x
  2. Step 2: Convert to fraction form
    70,691.19/97,555.77 = 38,860.62/x
  3. Step 3: Cross multiply
    70,691.19x = 97,555.77 × 38,860.62
  4. Step 4: Simplify right side
    70,691.19x = 3,791,077,706.78
  5. Step 5: Solve for x
    x = 3,791,077,706.78/70,691.19
  6. Step 6: Final answer
    x = 53,628.72

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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.