Home / 124,013.84-186,021.78-39,774.13

Finding the Fourth Proportional to 124,013.84, 186,021.78 and 39,774.13

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Solution

The fourth proportional to 124,013.84, 186,021.78 and 39,774.13 is: 59,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013.84 : 186,021.78 = 39,774.13 : x
  2. Step 2: Convert to fraction form
    124,013.84/186,021.78 = 39,774.13/x
  3. Step 3: Cross multiply
    124,013.84x = 186,021.78 × 39,774.13
  4. Step 4: Simplify right side
    124,013.84x = 7,398,853,640.68
  5. Step 5: Solve for x
    x = 7,398,853,640.68/124,013.84
  6. Step 6: Final answer
    x = 59,661.52

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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.