Home / 91,704.29-126,574.40-55,914.02

Finding the Fourth Proportional to 91,704.29, 126,574.40 and 55,914.02

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Solution

The fourth proportional to 91,704.29, 126,574.40 and 55,914.02 is: 77,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,704.29 : 126,574.40 = 55,914.02 : x
  2. Step 2: Convert to fraction form
    91,704.29/126,574.40 = 55,914.02/x
  3. Step 3: Cross multiply
    91,704.29x = 126,574.40 × 55,914.02
  4. Step 4: Simplify right side
    91,704.29x = 7,077,283,040.00
  5. Step 5: Solve for x
    x = 7,077,283,040.00/91,704.29
  6. Step 6: Final answer
    x = 77,175.05

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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.