Home / 70,275.57-96,980.28-38,444.70

Finding the Fourth Proportional to 70,275.57, 96,980.28 and 38,444.70

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Solution

The fourth proportional to 70,275.57, 96,980.28 and 38,444.70 is: 53,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,275.57 : 96,980.28 = 38,444.70 : x
  2. Step 2: Convert to fraction form
    70,275.57/96,980.28 = 38,444.70/x
  3. Step 3: Cross multiply
    70,275.57x = 96,980.28 × 38,444.70
  4. Step 4: Simplify right side
    70,275.57x = 3,728,377,770.52
  5. Step 5: Solve for x
    x = 3,728,377,770.52/70,275.57
  6. Step 6: Final answer
    x = 53,053.68

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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.