Home / 70,020.18-96,627.84-38,189.08

Finding the Fourth Proportional to 70,020.18, 96,627.84 and 38,189.08

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Solution

The fourth proportional to 70,020.18, 96,627.84 and 38,189.08 is: 52,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,020.18 : 96,627.84 = 38,189.08 : x
  2. Step 2: Convert to fraction form
    70,020.18/96,627.84 = 38,189.08/x
  3. Step 3: Cross multiply
    70,020.18x = 96,627.84 × 38,189.08
  4. Step 4: Simplify right side
    70,020.18x = 3,690,128,311.99
  5. Step 5: Solve for x
    x = 3,690,128,311.99/70,020.18
  6. Step 6: Final answer
    x = 52,700.93

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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.