Home / 70,696.50-97,561.77-38,864.70

Finding the Fourth Proportional to 70,696.50, 97,561.77 and 38,864.70

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Solution

The fourth proportional to 70,696.50, 97,561.77 and 38,864.70 is: 53,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,696.50 : 97,561.77 = 38,864.70 : x
  2. Step 2: Convert to fraction form
    70,696.50/97,561.77 = 38,864.70/x
  3. Step 3: Cross multiply
    70,696.50x = 97,561.77 × 38,864.70
  4. Step 4: Simplify right side
    70,696.50x = 3,791,708,922.52
  5. Step 5: Solve for x
    x = 3,791,708,922.52/70,696.50
  6. Step 6: Final answer
    x = 53,633.62

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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.