Home / 127,982.65-176,627.22-70,627.36

Finding the Fourth Proportional to 127,982.65, 176,627.22 and 70,627.36

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Solution

The fourth proportional to 127,982.65, 176,627.22 and 70,627.36 is: 97,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982.65 : 176,627.22 = 70,627.36 : x
  2. Step 2: Convert to fraction form
    127,982.65/176,627.22 = 70,627.36/x
  3. Step 3: Cross multiply
    127,982.65x = 176,627.22 × 70,627.36
  4. Step 4: Simplify right side
    127,982.65x = 12,474,714,252.74
  5. Step 5: Solve for x
    x = 12,474,714,252.74/127,982.65
  6. Step 6: Final answer
    x = 97,471.92

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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.