Home / 55,699.35-83,553.95-15,718.69

Finding the Fourth Proportional to 55,699.35, 83,553.95 and 15,718.69

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Solution

The fourth proportional to 55,699.35, 83,553.95 and 15,718.69 is: 23,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,699.35 : 83,553.95 = 15,718.69 : x
  2. Step 2: Convert to fraction form
    55,699.35/83,553.95 = 15,718.69/x
  3. Step 3: Cross multiply
    55,699.35x = 83,553.95 × 15,718.69
  4. Step 4: Simplify right side
    55,699.35x = 1,313,358,220.56
  5. Step 5: Solve for x
    x = 1,313,358,220.56/55,699.35
  6. Step 6: Final answer
    x = 23,579.42

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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.