Home / 127,606.64-176,097.16-71,031.38

Finding the Fourth Proportional to 127,606.64, 176,097.16 and 71,031.38

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Solution

The fourth proportional to 127,606.64, 176,097.16 and 71,031.38 is: 98,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,606.64 : 176,097.16 = 71,031.38 : x
  2. Step 2: Convert to fraction form
    127,606.64/176,097.16 = 71,031.38/x
  3. Step 3: Cross multiply
    127,606.64x = 176,097.16 × 71,031.38
  4. Step 4: Simplify right side
    127,606.64x = 12,508,424,687.51
  5. Step 5: Solve for x
    x = 12,508,424,687.51/127,606.64
  6. Step 6: Final answer
    x = 98,023.31

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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.