Home / 88,381.79-121,969.46-48,098.16

Finding the Fourth Proportional to 88,381.79, 121,969.46 and 48,098.16

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Solution

The fourth proportional to 88,381.79, 121,969.46 and 48,098.16 is: 66,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.79 : 121,969.46 = 48,098.16 : x
  2. Step 2: Convert to fraction form
    88,381.79/121,969.46 = 48,098.16/x
  3. Step 3: Cross multiply
    88,381.79x = 121,969.46 × 48,098.16
  4. Step 4: Simplify right side
    88,381.79x = 5,866,506,361.70
  5. Step 5: Solve for x
    x = 5,866,506,361.70/88,381.79
  6. Step 6: Final answer
    x = 66,376.87

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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.