Home / 65,250.10-90,045.06-36,961.24

Finding the Fourth Proportional to 65,250.10, 90,045.06 and 36,961.24

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Solution

The fourth proportional to 65,250.10, 90,045.06 and 36,961.24 is: 51,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.10 : 90,045.06 = 36,961.24 : x
  2. Step 2: Convert to fraction form
    65,250.10/90,045.06 = 36,961.24/x
  3. Step 3: Cross multiply
    65,250.10x = 90,045.06 × 36,961.24
  4. Step 4: Simplify right side
    65,250.10x = 3,328,177,073.47
  5. Step 5: Solve for x
    x = 3,328,177,073.47/65,250.10
  6. Step 6: Final answer
    x = 51,006.47

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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.