Home / 70,280.60-96,983.10-38,443.16

Finding the Fourth Proportional to 70,280.60, 96,983.10 and 38,443.16

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Solution

The fourth proportional to 70,280.60, 96,983.10 and 38,443.16 is: 53,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.60 : 96,983.10 = 38,443.16 : x
  2. Step 2: Convert to fraction form
    70,280.60/96,983.10 = 38,443.16/x
  3. Step 3: Cross multiply
    70,280.60x = 96,983.10 × 38,443.16
  4. Step 4: Simplify right side
    70,280.60x = 3,728,336,830.60
  5. Step 5: Solve for x
    x = 3,728,336,830.60/70,280.60
  6. Step 6: Final answer
    x = 53,049.30

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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.