Home / 88,166.68-121,670.30-47,881.12

Finding the Fourth Proportional to 88,166.68, 121,670.30 and 47,881.12

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Solution

The fourth proportional to 88,166.68, 121,670.30 and 47,881.12 is: 66,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,166.68 : 121,670.30 = 47,881.12 : x
  2. Step 2: Convert to fraction form
    88,166.68/121,670.30 = 47,881.12/x
  3. Step 3: Cross multiply
    88,166.68x = 121,670.30 × 47,881.12
  4. Step 4: Simplify right side
    88,166.68x = 5,825,710,234.74
  5. Step 5: Solve for x
    x = 5,825,710,234.74/88,166.68
  6. Step 6: Final answer
    x = 66,076.10

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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.