Home / 127,080.84-175,374.14-76,095.80

Finding the Fourth Proportional to 127,080.84, 175,374.14 and 76,095.80

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Solution

The fourth proportional to 127,080.84, 175,374.14 and 76,095.80 is: 105,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080.84 : 175,374.14 = 76,095.80 : x
  2. Step 2: Convert to fraction form
    127,080.84/175,374.14 = 76,095.80/x
  3. Step 3: Cross multiply
    127,080.84x = 175,374.14 × 76,095.80
  4. Step 4: Simplify right side
    127,080.84x = 13,345,235,482.61
  5. Step 5: Solve for x
    x = 13,345,235,482.61/127,080.84
  6. Step 6: Final answer
    x = 105,013.75

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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.