Home / 83,078.79-114,633.36-47,266.65

Finding the Fourth Proportional to 83,078.79, 114,633.36 and 47,266.65

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Solution

The fourth proportional to 83,078.79, 114,633.36 and 47,266.65 is: 65,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,078.79 : 114,633.36 = 47,266.65 : x
  2. Step 2: Convert to fraction form
    83,078.79/114,633.36 = 47,266.65/x
  3. Step 3: Cross multiply
    83,078.79x = 114,633.36 × 47,266.65
  4. Step 4: Simplify right side
    83,078.79x = 5,418,334,905.44
  5. Step 5: Solve for x
    x = 5,418,334,905.44/83,078.79
  6. Step 6: Final answer
    x = 65,219.23

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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.