Home / 97,966.20-147,026.10-45,382.20

Finding the Fourth Proportional to 97,966.20, 147,026.10 and 45,382.20

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Solution

The fourth proportional to 97,966.20, 147,026.10 and 45,382.20 is: 68,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,966.20 : 147,026.10 = 45,382.20 : x
  2. Step 2: Convert to fraction form
    97,966.20/147,026.10 = 45,382.20/x
  3. Step 3: Cross multiply
    97,966.20x = 147,026.10 × 45,382.20
  4. Step 4: Simplify right side
    97,966.20x = 6,672,367,875.42
  5. Step 5: Solve for x
    x = 6,672,367,875.42/97,966.20
  6. Step 6: Final answer
    x = 68,108.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.