Home / 83,528.96-115,271.60-45,803.28

Finding the Fourth Proportional to 83,528.96, 115,271.60 and 45,803.28

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Solution

The fourth proportional to 83,528.96, 115,271.60 and 45,803.28 is: 63,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.96 : 115,271.60 = 45,803.28 : x
  2. Step 2: Convert to fraction form
    83,528.96/115,271.60 = 45,803.28/x
  3. Step 3: Cross multiply
    83,528.96x = 115,271.60 × 45,803.28
  4. Step 4: Simplify right side
    83,528.96x = 5,279,817,370.85
  5. Step 5: Solve for x
    x = 5,279,817,370.85/83,528.96
  6. Step 6: Final answer
    x = 63,209.42

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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.