Home / 75,187.05-103,708.13-48,363.50

Finding the Fourth Proportional to 75,187.05, 103,708.13 and 48,363.50

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Solution

The fourth proportional to 75,187.05, 103,708.13 and 48,363.50 is: 66,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,187.05 : 103,708.13 = 48,363.50 : x
  2. Step 2: Convert to fraction form
    75,187.05/103,708.13 = 48,363.50/x
  3. Step 3: Cross multiply
    75,187.05x = 103,708.13 × 48,363.50
  4. Step 4: Simplify right side
    75,187.05x = 5,015,687,384.90
  5. Step 5: Solve for x
    x = 5,015,687,384.90/75,187.05
  6. Step 6: Final answer
    x = 66,709.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.