Home / 124,370.36-171,626.10-67,780.52

Finding the Fourth Proportional to 124,370.36, 171,626.10 and 67,780.52

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Solution

The fourth proportional to 124,370.36, 171,626.10 and 67,780.52 is: 93,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,370.36 : 171,626.10 = 67,780.52 : x
  2. Step 2: Convert to fraction form
    124,370.36/171,626.10 = 67,780.52/x
  3. Step 3: Cross multiply
    124,370.36x = 171,626.10 × 67,780.52
  4. Step 4: Simplify right side
    124,370.36x = 11,632,906,303.57
  5. Step 5: Solve for x
    x = 11,632,906,303.57/124,370.36
  6. Step 6: Final answer
    x = 93,534.39

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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.