Home / 126,870.09-175,080.67-69,513.06

Finding the Fourth Proportional to 126,870.09, 175,080.67 and 69,513.06

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Solution

The fourth proportional to 126,870.09, 175,080.67 and 69,513.06 is: 95,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,870.09 : 175,080.67 = 69,513.06 : x
  2. Step 2: Convert to fraction form
    126,870.09/175,080.67 = 69,513.06/x
  3. Step 3: Cross multiply
    126,870.09x = 175,080.67 × 69,513.06
  4. Step 4: Simplify right side
    126,870.09x = 12,170,393,118.55
  5. Step 5: Solve for x
    x = 12,170,393,118.55/126,870.09
  6. Step 6: Final answer
    x = 95,927.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.