Home / 124,509.22-171,822.35-67,920.19

Finding the Fourth Proportional to 124,509.22, 171,822.35 and 67,920.19

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Solution

The fourth proportional to 124,509.22, 171,822.35 and 67,920.19 is: 93,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,509.22 : 171,822.35 = 67,920.19 : x
  2. Step 2: Convert to fraction form
    124,509.22/171,822.35 = 67,920.19/x
  3. Step 3: Cross multiply
    124,509.22x = 171,822.35 × 67,920.19
  4. Step 4: Simplify right side
    124,509.22x = 11,670,206,398.49
  5. Step 5: Solve for x
    x = 11,670,206,398.49/124,509.22
  6. Step 6: Final answer
    x = 93,729.66

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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.