Home / 127,768.43-191,681.81-39,034.55

Finding the Fourth Proportional to 127,768.43, 191,681.81 and 39,034.55

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Solution

The fourth proportional to 127,768.43, 191,681.81 and 39,034.55 is: 58,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,768.43 : 191,681.81 = 39,034.55 : x
  2. Step 2: Convert to fraction form
    127,768.43/191,681.81 = 39,034.55/x
  3. Step 3: Cross multiply
    127,768.43x = 191,681.81 × 39,034.55
  4. Step 4: Simplify right side
    127,768.43x = 7,482,213,196.54
  5. Step 5: Solve for x
    x = 7,482,213,196.54/127,768.43
  6. Step 6: Final answer
    x = 58,560.74

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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.