Home / 75,355.31-103,998.45-48,156.18

Finding the Fourth Proportional to 75,355.31, 103,998.45 and 48,156.18

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Solution

The fourth proportional to 75,355.31, 103,998.45 and 48,156.18 is: 66,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,355.31 : 103,998.45 = 48,156.18 : x
  2. Step 2: Convert to fraction form
    75,355.31/103,998.45 = 48,156.18/x
  3. Step 3: Cross multiply
    75,355.31x = 103,998.45 × 48,156.18
  4. Step 4: Simplify right side
    75,355.31x = 5,008,168,077.92
  5. Step 5: Solve for x
    x = 5,008,168,077.92/75,355.31
  6. Step 6: Final answer
    x = 66,460.72

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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.