Home / 124,373.30-171,635.79-70,661.31

Finding the Fourth Proportional to 124,373.30, 171,635.79 and 70,661.31

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Solution

The fourth proportional to 124,373.30, 171,635.79 and 70,661.31 is: 97,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,373.30 : 171,635.79 = 70,661.31 : x
  2. Step 2: Convert to fraction form
    124,373.30/171,635.79 = 70,661.31/x
  3. Step 3: Cross multiply
    124,373.30x = 171,635.79 × 70,661.31
  4. Step 4: Simplify right side
    124,373.30x = 12,128,009,764.28
  5. Step 5: Solve for x
    x = 12,128,009,764.28/124,373.30
  6. Step 6: Final answer
    x = 97,512.97

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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.