Home / 127,319.23-175,711.44-70,734.25

Finding the Fourth Proportional to 127,319.23, 175,711.44 and 70,734.25

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Solution

The fourth proportional to 127,319.23, 175,711.44 and 70,734.25 is: 97,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,319.23 : 175,711.44 = 70,734.25 : x
  2. Step 2: Convert to fraction form
    127,319.23/175,711.44 = 70,734.25/x
  3. Step 3: Cross multiply
    127,319.23x = 175,711.44 × 70,734.25
  4. Step 4: Simplify right side
    127,319.23x = 12,428,816,924.82
  5. Step 5: Solve for x
    x = 12,428,816,924.82/127,319.23
  6. Step 6: Final answer
    x = 97,619.32

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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.