Home / 127,042.87-175,317.96-69,681.02

Finding the Fourth Proportional to 127,042.87, 175,317.96 and 69,681.02

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Solution

The fourth proportional to 127,042.87, 175,317.96 and 69,681.02 is: 96,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.87 : 175,317.96 = 69,681.02 : x
  2. Step 2: Convert to fraction form
    127,042.87/175,317.96 = 69,681.02/x
  3. Step 3: Cross multiply
    127,042.87x = 175,317.96 × 69,681.02
  4. Step 4: Simplify right side
    127,042.87x = 12,216,334,277.12
  5. Step 5: Solve for x
    x = 12,216,334,277.12/127,042.87
  6. Step 6: Final answer
    x = 96,159.15

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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.