Home / 127,387.36-175,790.28-70,797.52

Finding the Fourth Proportional to 127,387.36, 175,790.28 and 70,797.52

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Solution

The fourth proportional to 127,387.36, 175,790.28 and 70,797.52 is: 97,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,387.36 : 175,790.28 = 70,797.52 : x
  2. Step 2: Convert to fraction form
    127,387.36/175,790.28 = 70,797.52/x
  3. Step 3: Cross multiply
    127,387.36x = 175,790.28 × 70,797.52
  4. Step 4: Simplify right side
    127,387.36x = 12,445,515,864.11
  5. Step 5: Solve for x
    x = 12,445,515,864.11/127,387.36
  6. Step 6: Final answer
    x = 97,698.20

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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.