Home / 75,045.42-112,487.10-48,769.02

Finding the Fourth Proportional to 75,045.42, 112,487.10 and 48,769.02

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Solution

The fourth proportional to 75,045.42, 112,487.10 and 48,769.02 is: 73,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,045.42 : 112,487.10 = 48,769.02 : x
  2. Step 2: Convert to fraction form
    75,045.42/112,487.10 = 48,769.02/x
  3. Step 3: Cross multiply
    75,045.42x = 112,487.10 × 48,769.02
  4. Step 4: Simplify right side
    75,045.42x = 5,485,885,629.64
  5. Step 5: Solve for x
    x = 5,485,885,629.64/75,045.42
  6. Step 6: Final answer
    x = 73,100.87

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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.