Home / 91,984.24-127,034.63-63,378.28

Finding the Fourth Proportional to 91,984.24, 127,034.63 and 63,378.28

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Solution

The fourth proportional to 91,984.24, 127,034.63 and 63,378.28 is: 87,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,984.24 : 127,034.63 = 63,378.28 : x
  2. Step 2: Convert to fraction form
    91,984.24/127,034.63 = 63,378.28/x
  3. Step 3: Cross multiply
    91,984.24x = 127,034.63 × 63,378.28
  4. Step 4: Simplify right side
    91,984.24x = 8,051,236,032.95
  5. Step 5: Solve for x
    x = 8,051,236,032.95/91,984.24
  6. Step 6: Final answer
    x = 87,528.43

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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.