Home / 88,254.73-121,794.15-54,283.15

Finding the Fourth Proportional to 88,254.73, 121,794.15 and 54,283.15

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Solution

The fourth proportional to 88,254.73, 121,794.15 and 54,283.15 is: 74,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,254.73 : 121,794.15 = 54,283.15 : x
  2. Step 2: Convert to fraction form
    88,254.73/121,794.15 = 54,283.15/x
  3. Step 3: Cross multiply
    88,254.73x = 121,794.15 × 54,283.15
  4. Step 4: Simplify right side
    88,254.73x = 6,611,370,113.57
  5. Step 5: Solve for x
    x = 6,611,370,113.57/88,254.73
  6. Step 6: Final answer
    x = 74,912.36

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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.