Home / 103,549.68-155,340.90-33,412.59

Finding the Fourth Proportional to 103,549.68, 155,340.90 and 33,412.59

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Solution

The fourth proportional to 103,549.68, 155,340.90 and 33,412.59 is: 50,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549.68 : 155,340.90 = 33,412.59 : x
  2. Step 2: Convert to fraction form
    103,549.68/155,340.90 = 33,412.59/x
  3. Step 3: Cross multiply
    103,549.68x = 155,340.90 × 33,412.59
  4. Step 4: Simplify right side
    103,549.68x = 5,190,341,801.93
  5. Step 5: Solve for x
    x = 5,190,341,801.93/103,549.68
  6. Step 6: Final answer
    x = 50,124.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.