Home / 84,984.06-127,476-40,475.82

Finding the Fourth Proportional to 84,984.06, 127,476 and 40,475.82

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Solution

The fourth proportional to 84,984.06, 127,476 and 40,475.82 is: 60,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,984.06 : 127,476 = 40,475.82 : x
  2. Step 2: Convert to fraction form
    84,984.06/127,476 = 40,475.82/x
  3. Step 3: Cross multiply
    84,984.06x = 127,476 × 40,475.82
  4. Step 4: Simplify right side
    84,984.06x = 5,159,695,630.32
  5. Step 5: Solve for x
    x = 5,159,695,630.32/84,984.06
  6. Step 6: Final answer
    x = 60,713.69

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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.