Home / 66,418.16-99,740.12-44,373.20

Finding the Fourth Proportional to 66,418.16, 99,740.12 and 44,373.20

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Solution

The fourth proportional to 66,418.16, 99,740.12 and 44,373.20 is: 66,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,418.16 : 99,740.12 = 44,373.20 : x
  2. Step 2: Convert to fraction form
    66,418.16/99,740.12 = 44,373.20/x
  3. Step 3: Cross multiply
    66,418.16x = 99,740.12 × 44,373.20
  4. Step 4: Simplify right side
    66,418.16x = 4,425,788,292.78
  5. Step 5: Solve for x
    x = 4,425,788,292.78/66,418.16
  6. Step 6: Final answer
    x = 66,635.21

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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.