Home / 88,839.15-122,586.18-57,051.11

Finding the Fourth Proportional to 88,839.15, 122,586.18 and 57,051.11

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Solution

The fourth proportional to 88,839.15, 122,586.18 and 57,051.11 is: 78,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,839.15 : 122,586.18 = 57,051.11 : x
  2. Step 2: Convert to fraction form
    88,839.15/122,586.18 = 57,051.11/x
  3. Step 3: Cross multiply
    88,839.15x = 122,586.18 × 57,051.11
  4. Step 4: Simplify right side
    88,839.15x = 6,993,677,026.73
  5. Step 5: Solve for x
    x = 6,993,677,026.73/88,839.15
  6. Step 6: Final answer
    x = 78,722.92

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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.