Home / 88,314.45-121,872.79-48,027.35

Finding the Fourth Proportional to 88,314.45, 121,872.79 and 48,027.35

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Solution

The fourth proportional to 88,314.45, 121,872.79 and 48,027.35 is: 66,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,314.45 : 121,872.79 = 48,027.35 : x
  2. Step 2: Convert to fraction form
    88,314.45/121,872.79 = 48,027.35/x
  3. Step 3: Cross multiply
    88,314.45x = 121,872.79 × 48,027.35
  4. Step 4: Simplify right side
    88,314.45x = 5,853,227,140.81
  5. Step 5: Solve for x
    x = 5,853,227,140.81/88,314.45
  6. Step 6: Final answer
    x = 66,277.12

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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.