Home / 51,125.10-76,687.65-35,378.70

Finding the Fourth Proportional to 51,125.10, 76,687.65 and 35,378.70

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Solution

The fourth proportional to 51,125.10, 76,687.65 and 35,378.70 is: 53,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.10 : 76,687.65 = 35,378.70 : x
  2. Step 2: Convert to fraction form
    51,125.10/76,687.65 = 35,378.70/x
  3. Step 3: Cross multiply
    51,125.10x = 76,687.65 × 35,378.70
  4. Step 4: Simplify right side
    51,125.10x = 2,713,109,363.06
  5. Step 5: Solve for x
    x = 2,713,109,363.06/51,125.10
  6. Step 6: Final answer
    x = 53,068.05

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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.