Home / 104,591.04-156,886.32-45,419.04

Finding the Fourth Proportional to 104,591.04, 156,886.32 and 45,419.04

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Solution

The fourth proportional to 104,591.04, 156,886.32 and 45,419.04 is: 68,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,591.04 : 156,886.32 = 45,419.04 : x
  2. Step 2: Convert to fraction form
    104,591.04/156,886.32 = 45,419.04/x
  3. Step 3: Cross multiply
    104,591.04x = 156,886.32 × 45,419.04
  4. Step 4: Simplify right side
    104,591.04x = 7,125,626,043.53
  5. Step 5: Solve for x
    x = 7,125,626,043.53/104,591.04
  6. Step 6: Final answer
    x = 68,128.46

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1.5x scale

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.