Home / 127,343.67-175,733.61-69,986.55

Finding the Fourth Proportional to 127,343.67, 175,733.61 and 69,986.55

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Solution

The fourth proportional to 127,343.67, 175,733.61 and 69,986.55 is: 96,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.67 : 175,733.61 = 69,986.55 : x
  2. Step 2: Convert to fraction form
    127,343.67/175,733.61 = 69,986.55/x
  3. Step 3: Cross multiply
    127,343.67x = 175,733.61 × 69,986.55
  4. Step 4: Simplify right side
    127,343.67x = 12,298,989,082.95
  5. Step 5: Solve for x
    x = 12,298,989,082.95/127,343.67
  6. Step 6: Final answer
    x = 96,581.08

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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.