Home / 88,381.85-121,969.52-48,098.21

Finding the Fourth Proportional to 88,381.85, 121,969.52 and 48,098.21

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Solution

The fourth proportional to 88,381.85, 121,969.52 and 48,098.21 is: 66,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.85 : 121,969.52 = 48,098.21 : x
  2. Step 2: Convert to fraction form
    88,381.85/121,969.52 = 48,098.21/x
  3. Step 3: Cross multiply
    88,381.85x = 121,969.52 × 48,098.21
  4. Step 4: Simplify right side
    88,381.85x = 5,866,515,586.56
  5. Step 5: Solve for x
    x = 5,866,515,586.56/88,381.85
  6. Step 6: Final answer
    x = 66,376.93

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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.