Home / 124,073.90-171,220.70-67,485.26

Finding the Fourth Proportional to 124,073.90, 171,220.70 and 67,485.26

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Solution

The fourth proportional to 124,073.90, 171,220.70 and 67,485.26 is: 93,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,073.90 : 171,220.70 = 67,485.26 : x
  2. Step 2: Convert to fraction form
    124,073.90/171,220.70 = 67,485.26/x
  3. Step 3: Cross multiply
    124,073.90x = 171,220.70 × 67,485.26
  4. Step 4: Simplify right side
    124,073.90x = 11,554,873,456.88
  5. Step 5: Solve for x
    x = 11,554,873,456.88/124,073.90
  6. Step 6: Final answer
    x = 93,128.96

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1.5x scale

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.