Home / 107,418.68-148,299.56-71,726.84

Finding the Fourth Proportional to 107,418.68, 148,299.56 and 71,726.84

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Solution

The fourth proportional to 107,418.68, 148,299.56 and 71,726.84 is: 99,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,418.68 : 148,299.56 = 71,726.84 : x
  2. Step 2: Convert to fraction form
    107,418.68/148,299.56 = 71,726.84/x
  3. Step 3: Cross multiply
    107,418.68x = 148,299.56 × 71,726.84
  4. Step 4: Simplify right side
    107,418.68x = 10,637,058,812.19
  5. Step 5: Solve for x
    x = 10,637,058,812.19/107,418.68
  6. Step 6: Final answer
    x = 99,024.29

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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.