Home / 81,017.52-111,827.65-47,033.64

Finding the Fourth Proportional to 81,017.52, 111,827.65 and 47,033.64

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Solution

The fourth proportional to 81,017.52, 111,827.65 and 47,033.64 is: 64,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,017.52 : 111,827.65 = 47,033.64 : x
  2. Step 2: Convert to fraction form
    81,017.52/111,827.65 = 47,033.64/x
  3. Step 3: Cross multiply
    81,017.52x = 111,827.65 × 47,033.64
  4. Step 4: Simplify right side
    81,017.52x = 5,259,661,432.15
  5. Step 5: Solve for x
    x = 5,259,661,432.15/81,017.52
  6. Step 6: Final answer
    x = 64,920.05

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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.