Home / 127,324.50-175,587.37-83,639.93

Finding the Fourth Proportional to 127,324.50, 175,587.37 and 83,639.93

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Solution

The fourth proportional to 127,324.50, 175,587.37 and 83,639.93 is: 115,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,324.50 : 175,587.37 = 83,639.93 : x
  2. Step 2: Convert to fraction form
    127,324.50/175,587.37 = 83,639.93/x
  3. Step 3: Cross multiply
    127,324.50x = 175,587.37 × 83,639.93
  4. Step 4: Simplify right side
    127,324.50x = 14,686,115,013.04
  5. Step 5: Solve for x
    x = 14,686,115,013.04/127,324.50
  6. Step 6: Final answer
    x = 115,343.98

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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.