Home / 126,643.72-174,772.74-70,060.36

Finding the Fourth Proportional to 126,643.72, 174,772.74 and 70,060.36

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Solution

The fourth proportional to 126,643.72, 174,772.74 and 70,060.36 is: 96,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,643.72 : 174,772.74 = 70,060.36 : x
  2. Step 2: Convert to fraction form
    126,643.72/174,772.74 = 70,060.36/x
  3. Step 3: Cross multiply
    126,643.72x = 174,772.74 × 70,060.36
  4. Step 4: Simplify right side
    126,643.72x = 12,244,641,082.59
  5. Step 5: Solve for x
    x = 12,244,641,082.59/126,643.72
  6. Step 6: Final answer
    x = 96,685.73

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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.