Home / 62,823.69-86,700.78-38,966.22

Finding the Fourth Proportional to 62,823.69, 86,700.78 and 38,966.22

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Solution

The fourth proportional to 62,823.69, 86,700.78 and 38,966.22 is: 53,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,823.69 : 86,700.78 = 38,966.22 : x
  2. Step 2: Convert to fraction form
    62,823.69/86,700.78 = 38,966.22/x
  3. Step 3: Cross multiply
    62,823.69x = 86,700.78 × 38,966.22
  4. Step 4: Simplify right side
    62,823.69x = 3,378,401,667.65
  5. Step 5: Solve for x
    x = 3,378,401,667.65/62,823.69
  6. Step 6: Final answer
    x = 53,775.92

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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.