Home / 70,275.18-96,979.73-38,444.10

Finding the Fourth Proportional to 70,275.18, 96,979.73 and 38,444.10

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Solution

The fourth proportional to 70,275.18, 96,979.73 and 38,444.10 is: 53,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,275.18 : 96,979.73 = 38,444.10 : x
  2. Step 2: Convert to fraction form
    70,275.18/96,979.73 = 38,444.10/x
  3. Step 3: Cross multiply
    70,275.18x = 96,979.73 × 38,444.10
  4. Step 4: Simplify right side
    70,275.18x = 3,728,298,245.87
  5. Step 5: Solve for x
    x = 3,728,298,245.87/70,275.18
  6. Step 6: Final answer
    x = 53,052.85

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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.