Home / 88,080.30-121,651.76-58,000.08

Finding the Fourth Proportional to 88,080.30, 121,651.76 and 58,000.08

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Solution

The fourth proportional to 88,080.30, 121,651.76 and 58,000.08 is: 80,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,080.30 : 121,651.76 = 58,000.08 : x
  2. Step 2: Convert to fraction form
    88,080.30/121,651.76 = 58,000.08/x
  3. Step 3: Cross multiply
    88,080.30x = 121,651.76 × 58,000.08
  4. Step 4: Simplify right side
    88,080.30x = 7,055,811,812.14
  5. Step 5: Solve for x
    x = 7,055,811,812.14/88,080.30
  6. Step 6: Final answer
    x = 80,106.58

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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.