Home / 127,444.78-175,876.65-70,080.47

Finding the Fourth Proportional to 127,444.78, 175,876.65 and 70,080.47

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Solution

The fourth proportional to 127,444.78, 175,876.65 and 70,080.47 is: 96,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,444.78 : 175,876.65 = 70,080.47 : x
  2. Step 2: Convert to fraction form
    127,444.78/175,876.65 = 70,080.47/x
  3. Step 3: Cross multiply
    127,444.78x = 175,876.65 × 70,080.47
  4. Step 4: Simplify right side
    127,444.78x = 12,325,518,294.03
  5. Step 5: Solve for x
    x = 12,325,518,294.03/127,444.78
  6. Step 6: Final answer
    x = 96,712.62

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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.