Home / 76,165.64-114,271.82-34,081.15

Finding the Fourth Proportional to 76,165.64, 114,271.82 and 34,081.15

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Solution

The fourth proportional to 76,165.64, 114,271.82 and 34,081.15 is: 51,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165.64 : 114,271.82 = 34,081.15 : x
  2. Step 2: Convert to fraction form
    76,165.64/114,271.82 = 34,081.15/x
  3. Step 3: Cross multiply
    76,165.64x = 114,271.82 × 34,081.15
  4. Step 4: Simplify right side
    76,165.64x = 3,894,514,867.79
  5. Step 5: Solve for x
    x = 3,894,514,867.79/76,165.64
  6. Step 6: Final answer
    x = 51,132.18

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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.