Home / 75,149.60-112,643.04-48,873.20

Finding the Fourth Proportional to 75,149.60, 112,643.04 and 48,873.20

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Solution

The fourth proportional to 75,149.60, 112,643.04 and 48,873.20 is: 73,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149.60 : 112,643.04 = 48,873.20 : x
  2. Step 2: Convert to fraction form
    75,149.60/112,643.04 = 48,873.20/x
  3. Step 3: Cross multiply
    75,149.60x = 112,643.04 × 48,873.20
  4. Step 4: Simplify right side
    75,149.60x = 5,505,225,822.53
  5. Step 5: Solve for x
    x = 5,505,225,822.53/75,149.60
  6. Step 6: Final answer
    x = 73,256.89

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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.