Home / 90,929.40-136,306.61-46,577.04

Finding the Fourth Proportional to 90,929.40, 136,306.61 and 46,577.04

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Solution

The fourth proportional to 90,929.40, 136,306.61 and 46,577.04 is: 69,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,929.40 : 136,306.61 = 46,577.04 : x
  2. Step 2: Convert to fraction form
    90,929.40/136,306.61 = 46,577.04/x
  3. Step 3: Cross multiply
    90,929.40x = 136,306.61 × 46,577.04
  4. Step 4: Simplify right side
    90,929.40x = 6,348,757,744.70
  5. Step 5: Solve for x
    x = 6,348,757,744.70/90,929.40
  6. Step 6: Final answer
    x = 69,820.74

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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.