Home / 83,529.89-115,272.03-45,289.34

Finding the Fourth Proportional to 83,529.89, 115,272.03 and 45,289.34

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Solution

The fourth proportional to 83,529.89, 115,272.03 and 45,289.34 is: 62,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,529.89 : 115,272.03 = 45,289.34 : x
  2. Step 2: Convert to fraction form
    83,529.89/115,272.03 = 45,289.34/x
  3. Step 3: Cross multiply
    83,529.89x = 115,272.03 × 45,289.34
  4. Step 4: Simplify right side
    83,529.89x = 5,220,594,159.16
  5. Step 5: Solve for x
    x = 5,220,594,159.16/83,529.89
  6. Step 6: Final answer
    x = 62,499.71

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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.