Home / 90,754.01-136,047.99-38,167.19

Finding the Fourth Proportional to 90,754.01, 136,047.99 and 38,167.19

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Solution

The fourth proportional to 90,754.01, 136,047.99 and 38,167.19 is: 57,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754.01 : 136,047.99 = 38,167.19 : x
  2. Step 2: Convert to fraction form
    90,754.01/136,047.99 = 38,167.19/x
  3. Step 3: Cross multiply
    90,754.01x = 136,047.99 × 38,167.19
  4. Step 4: Simplify right side
    90,754.01x = 5,192,569,483.45
  5. Step 5: Solve for x
    x = 5,192,569,483.45/90,754.01
  6. Step 6: Final answer
    x = 57,215.87

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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.