Home / 83,211.10-124,816.65-63,528.10

Finding the Fourth Proportional to 83,211.10, 124,816.65 and 63,528.10

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Solution

The fourth proportional to 83,211.10, 124,816.65 and 63,528.10 is: 95,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211.10 : 124,816.65 = 63,528.10 : x
  2. Step 2: Convert to fraction form
    83,211.10/124,816.65 = 63,528.10/x
  3. Step 3: Cross multiply
    83,211.10x = 124,816.65 × 63,528.10
  4. Step 4: Simplify right side
    83,211.10x = 7,929,364,622.87
  5. Step 5: Solve for x
    x = 7,929,364,622.87/83,211.10
  6. Step 6: Final answer
    x = 95,292.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.