Home / 88,253.73-121,792.77-54,282.15

Finding the Fourth Proportional to 88,253.73, 121,792.77 and 54,282.15

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Solution

The fourth proportional to 88,253.73, 121,792.77 and 54,282.15 is: 74,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,253.73 : 121,792.77 = 54,282.15 : x
  2. Step 2: Convert to fraction form
    88,253.73/121,792.77 = 54,282.15/x
  3. Step 3: Cross multiply
    88,253.73x = 121,792.77 × 54,282.15
  4. Step 4: Simplify right side
    88,253.73x = 6,611,173,410.06
  5. Step 5: Solve for x
    x = 6,611,173,410.06/88,253.73
  6. Step 6: Final answer
    x = 74,910.98

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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.