Home / 46,121.12-69,265.20-42,416.72

Finding the Fourth Proportional to 46,121.12, 69,265.20 and 42,416.72

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Solution

The fourth proportional to 46,121.12, 69,265.20 and 42,416.72 is: 63,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.12 : 69,265.20 = 42,416.72 : x
  2. Step 2: Convert to fraction form
    46,121.12/69,265.20 = 42,416.72/x
  3. Step 3: Cross multiply
    46,121.12x = 69,265.20 × 42,416.72
  4. Step 4: Simplify right side
    46,121.12x = 2,938,002,594.14
  5. Step 5: Solve for x
    x = 2,938,002,594.14/46,121.12
  6. Step 6: Final answer
    x = 63,701.89

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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.