Home / 121,985.49-182,855.52-58,713.15

Finding the Fourth Proportional to 121,985.49, 182,855.52 and 58,713.15

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Solution

The fourth proportional to 121,985.49, 182,855.52 and 58,713.15 is: 88,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,985.49 : 182,855.52 = 58,713.15 : x
  2. Step 2: Convert to fraction form
    121,985.49/182,855.52 = 58,713.15/x
  3. Step 3: Cross multiply
    121,985.49x = 182,855.52 × 58,713.15
  4. Step 4: Simplify right side
    121,985.49x = 10,736,023,574.09
  5. Step 5: Solve for x
    x = 10,736,023,574.09/121,985.49
  6. Step 6: Final answer
    x = 88,010.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.