Home / 90,294.10-124,544.18-61,950.58

Finding the Fourth Proportional to 90,294.10, 124,544.18 and 61,950.58

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Solution

The fourth proportional to 90,294.10, 124,544.18 and 61,950.58 is: 85,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,294.10 : 124,544.18 = 61,950.58 : x
  2. Step 2: Convert to fraction form
    90,294.10/124,544.18 = 61,950.58/x
  3. Step 3: Cross multiply
    90,294.10x = 124,544.18 × 61,950.58
  4. Step 4: Simplify right side
    90,294.10x = 7,715,584,186.62
  5. Step 5: Solve for x
    x = 7,715,584,186.62/90,294.10
  6. Step 6: Final answer
    x = 85,449.48

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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.