Home / 83,487.54-115,224.62-51,666.69

Finding the Fourth Proportional to 83,487.54, 115,224.62 and 51,666.69

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Solution

The fourth proportional to 83,487.54, 115,224.62 and 51,666.69 is: 71,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487.54 : 115,224.62 = 51,666.69 : x
  2. Step 2: Convert to fraction form
    83,487.54/115,224.62 = 51,666.69/x
  3. Step 3: Cross multiply
    83,487.54x = 115,224.62 × 51,666.69
  4. Step 4: Simplify right side
    83,487.54x = 5,953,274,463.57
  5. Step 5: Solve for x
    x = 5,953,274,463.57/83,487.54
  6. Step 6: Final answer
    x = 71,307.34

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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.