Home / 127,437.18-175,867.80-70,080.86

Finding the Fourth Proportional to 127,437.18, 175,867.80 and 70,080.86

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Solution

The fourth proportional to 127,437.18, 175,867.80 and 70,080.86 is: 96,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,437.18 : 175,867.80 = 70,080.86 : x
  2. Step 2: Convert to fraction form
    127,437.18/175,867.80 = 70,080.86/x
  3. Step 3: Cross multiply
    127,437.18x = 175,867.80 × 70,080.86
  4. Step 4: Simplify right side
    127,437.18x = 12,324,966,670.31
  5. Step 5: Solve for x
    x = 12,324,966,670.31/127,437.18
  6. Step 6: Final answer
    x = 96,714.06

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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.