Home / 127,336.73-175,724.65-70,748.10

Finding the Fourth Proportional to 127,336.73, 175,724.65 and 70,748.10

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Solution

The fourth proportional to 127,336.73, 175,724.65 and 70,748.10 is: 97,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,336.73 : 175,724.65 = 70,748.10 : x
  2. Step 2: Convert to fraction form
    127,336.73/175,724.65 = 70,748.10/x
  3. Step 3: Cross multiply
    127,336.73x = 175,724.65 × 70,748.10
  4. Step 4: Simplify right side
    127,336.73x = 12,432,185,199.10
  5. Step 5: Solve for x
    x = 12,432,185,199.10/127,336.73
  6. Step 6: Final answer
    x = 97,632.36

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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.