Home / 62,979.34-86,911.56-34,299.04

Finding the Fourth Proportional to 62,979.34, 86,911.56 and 34,299.04

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Solution

The fourth proportional to 62,979.34, 86,911.56 and 34,299.04 is: 47,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,979.34 : 86,911.56 = 34,299.04 : x
  2. Step 2: Convert to fraction form
    62,979.34/86,911.56 = 34,299.04/x
  3. Step 3: Cross multiply
    62,979.34x = 86,911.56 × 34,299.04
  4. Step 4: Simplify right side
    62,979.34x = 2,980,983,072.90
  5. Step 5: Solve for x
    x = 2,980,983,072.90/62,979.34
  6. Step 6: Final answer
    x = 47,332.71

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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.