Home / 83,528.89-115,270.65-45,288.34

Finding the Fourth Proportional to 83,528.89, 115,270.65 and 45,288.34

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Solution

The fourth proportional to 83,528.89, 115,270.65 and 45,288.34 is: 62,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.89 : 115,270.65 = 45,288.34 : x
  2. Step 2: Convert to fraction form
    83,528.89/115,270.65 = 45,288.34/x
  3. Step 3: Cross multiply
    83,528.89x = 115,270.65 × 45,288.34
  4. Step 4: Simplify right side
    83,528.89x = 5,220,416,101.04
  5. Step 5: Solve for x
    x = 5,220,416,101.04/83,528.89
  6. Step 6: Final answer
    x = 62,498.33

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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.