Home / 127,399.24-175,813.04-70,040.95

Finding the Fourth Proportional to 127,399.24, 175,813.04 and 70,040.95

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Solution

The fourth proportional to 127,399.24, 175,813.04 and 70,040.95 is: 96,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,399.24 : 175,813.04 = 70,040.95 : x
  2. Step 2: Convert to fraction form
    127,399.24/175,813.04 = 70,040.95/x
  3. Step 3: Cross multiply
    127,399.24x = 175,813.04 × 70,040.95
  4. Step 4: Simplify right side
    127,399.24x = 12,314,113,167.00
  5. Step 5: Solve for x
    x = 12,314,113,167.00/127,399.24
  6. Step 6: Final answer
    x = 96,657.66

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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.