Home / 75,702.16-113,566.92-31,304.80

Finding the Fourth Proportional to 75,702.16, 113,566.92 and 31,304.80

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Solution

The fourth proportional to 75,702.16, 113,566.92 and 31,304.80 is: 46,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,702.16 : 113,566.92 = 31,304.80 : x
  2. Step 2: Convert to fraction form
    75,702.16/113,566.92 = 31,304.80/x
  3. Step 3: Cross multiply
    75,702.16x = 113,566.92 × 31,304.80
  4. Step 4: Simplify right side
    75,702.16x = 3,555,189,717.22
  5. Step 5: Solve for x
    x = 3,555,189,717.22/75,702.16
  6. Step 6: Final answer
    x = 46,962.86

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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.