Home / 65,248.08-90,040.85-38,022.43

Finding the Fourth Proportional to 65,248.08, 90,040.85 and 38,022.43

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Solution

The fourth proportional to 65,248.08, 90,040.85 and 38,022.43 is: 52,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,248.08 : 90,040.85 = 38,022.43 : x
  2. Step 2: Convert to fraction form
    65,248.08/90,040.85 = 38,022.43/x
  3. Step 3: Cross multiply
    65,248.08x = 90,040.85 × 38,022.43
  4. Step 4: Simplify right side
    65,248.08x = 3,423,571,916.27
  5. Step 5: Solve for x
    x = 3,423,571,916.27/65,248.08
  6. Step 6: Final answer
    x = 52,470.08

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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.