Home / 83,528.64-115,269.54-45,803.70

Finding the Fourth Proportional to 83,528.64, 115,269.54 and 45,803.70

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Solution

The fourth proportional to 83,528.64, 115,269.54 and 45,803.70 is: 63,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.64 : 115,269.54 = 45,803.70 : x
  2. Step 2: Convert to fraction form
    83,528.64/115,269.54 = 45,803.70/x
  3. Step 3: Cross multiply
    83,528.64x = 115,269.54 × 45,803.70
  4. Step 4: Simplify right side
    83,528.64x = 5,279,771,429.30
  5. Step 5: Solve for x
    x = 5,279,771,429.30/83,528.64
  6. Step 6: Final answer
    x = 63,209.12

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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.