Home / 66,153.15-91,290.98-35,938.23

Finding the Fourth Proportional to 66,153.15, 91,290.98 and 35,938.23

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Solution

The fourth proportional to 66,153.15, 91,290.98 and 35,938.23 is: 49,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.15 : 91,290.98 = 35,938.23 : x
  2. Step 2: Convert to fraction form
    66,153.15/91,290.98 = 35,938.23/x
  3. Step 3: Cross multiply
    66,153.15x = 91,290.98 × 35,938.23
  4. Step 4: Simplify right side
    66,153.15x = 3,280,836,236.17
  5. Step 5: Solve for x
    x = 3,280,836,236.17/66,153.15
  6. Step 6: Final answer
    x = 49,594.56

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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.