Home / 127,433.36-175,862.52-70,077.02

Finding the Fourth Proportional to 127,433.36, 175,862.52 and 70,077.02

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Solution

The fourth proportional to 127,433.36, 175,862.52 and 70,077.02 is: 96,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,433.36 : 175,862.52 = 70,077.02 : x
  2. Step 2: Convert to fraction form
    127,433.36/175,862.52 = 70,077.02/x
  3. Step 3: Cross multiply
    127,433.36x = 175,862.52 × 70,077.02
  4. Step 4: Simplify right side
    127,433.36x = 12,323,921,331.29
  5. Step 5: Solve for x
    x = 12,323,921,331.29/127,433.36
  6. Step 6: Final answer
    x = 96,708.75

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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.