Home / 66,279.16-91,435.50-44,761.92

Finding the Fourth Proportional to 66,279.16, 91,435.50 and 44,761.92

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Solution

The fourth proportional to 66,279.16, 91,435.50 and 44,761.92 is: 61,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,279.16 : 91,435.50 = 44,761.92 : x
  2. Step 2: Convert to fraction form
    66,279.16/91,435.50 = 44,761.92/x
  3. Step 3: Cross multiply
    66,279.16x = 91,435.50 × 44,761.92
  4. Step 4: Simplify right side
    66,279.16x = 4,092,828,536.16
  5. Step 5: Solve for x
    x = 4,092,828,536.16/66,279.16
  6. Step 6: Final answer
    x = 61,751.36

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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.