Home / 104,454.80-156,708.12-48,986

Finding the Fourth Proportional to 104,454.80, 156,708.12 and 48,986

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Solution

The fourth proportional to 104,454.80, 156,708.12 and 48,986 is: 73,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,454.80 : 156,708.12 = 48,986 : x
  2. Step 2: Convert to fraction form
    104,454.80/156,708.12 = 48,986/x
  3. Step 3: Cross multiply
    104,454.80x = 156,708.12 × 48,986
  4. Step 4: Simplify right side
    104,454.80x = 7,676,503,966.32
  5. Step 5: Solve for x
    x = 7,676,503,966.32/104,454.80
  6. Step 6: Final answer
    x = 73,491.16

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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.