Home / 88,363.12-121,942.35-48,076.91

Finding the Fourth Proportional to 88,363.12, 121,942.35 and 48,076.91

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Solution

The fourth proportional to 88,363.12, 121,942.35 and 48,076.91 is: 66,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,363.12 : 121,942.35 = 48,076.91 : x
  2. Step 2: Convert to fraction form
    88,363.12/121,942.35 = 48,076.91/x
  3. Step 3: Cross multiply
    88,363.12x = 121,942.35 × 48,076.91
  4. Step 4: Simplify right side
    88,363.12x = 5,862,610,776.43
  5. Step 5: Solve for x
    x = 5,862,610,776.43/88,363.12
  6. Step 6: Final answer
    x = 66,346.81

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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.