Home / 88,793.07-122,532.40-48,507

Finding the Fourth Proportional to 88,793.07, 122,532.40 and 48,507

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Solution

The fourth proportional to 88,793.07, 122,532.40 and 48,507 is: 66,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,793.07 : 122,532.40 = 48,507 : x
  2. Step 2: Convert to fraction form
    88,793.07/122,532.40 = 48,507/x
  3. Step 3: Cross multiply
    88,793.07x = 122,532.40 × 48,507
  4. Step 4: Simplify right side
    88,793.07x = 5,943,679,126.80
  5. Step 5: Solve for x
    x = 5,943,679,126.80/88,793.07
  6. Step 6: Final answer
    x = 66,938.55

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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.