Home / 124,053.17-171,212.48-70,326.78

Finding the Fourth Proportional to 124,053.17, 171,212.48 and 70,326.78

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Solution

The fourth proportional to 124,053.17, 171,212.48 and 70,326.78 is: 97,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,053.17 : 171,212.48 = 70,326.78 : x
  2. Step 2: Convert to fraction form
    124,053.17/171,212.48 = 70,326.78/x
  3. Step 3: Cross multiply
    124,053.17x = 171,212.48 × 70,326.78
  4. Step 4: Simplify right side
    124,053.17x = 12,040,823,042.92
  5. Step 5: Solve for x
    x = 12,040,823,042.92/124,053.17
  6. Step 6: Final answer
    x = 97,061.79

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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.