Home / 75,151.60-112,646.04-48,875.20

Finding the Fourth Proportional to 75,151.60, 112,646.04 and 48,875.20

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Solution

The fourth proportional to 75,151.60, 112,646.04 and 48,875.20 is: 73,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.60 : 112,646.04 = 48,875.20 : x
  2. Step 2: Convert to fraction form
    75,151.60/112,646.04 = 48,875.20/x
  3. Step 3: Cross multiply
    75,151.60x = 112,646.04 × 48,875.20
  4. Step 4: Simplify right side
    75,151.60x = 5,505,597,734.21
  5. Step 5: Solve for x
    x = 5,505,597,734.21/75,151.60
  6. Step 6: Final answer
    x = 73,259.89

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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.