Home / 124,799.15-172,220.29-68,210.93

Finding the Fourth Proportional to 124,799.15, 172,220.29 and 68,210.93

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Solution

The fourth proportional to 124,799.15, 172,220.29 and 68,210.93 is: 94,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,799.15 : 172,220.29 = 68,210.93 : x
  2. Step 2: Convert to fraction form
    124,799.15/172,220.29 = 68,210.93/x
  3. Step 3: Cross multiply
    124,799.15x = 172,220.29 × 68,210.93
  4. Step 4: Simplify right side
    124,799.15x = 11,747,305,114.14
  5. Step 5: Solve for x
    x = 11,747,305,114.14/124,799.15
  6. Step 6: Final answer
    x = 94,129.69

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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.