Home / 51,281.24-76,719.56-38,837.21

Finding the Fourth Proportional to 51,281.24, 76,719.56 and 38,837.21

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Solution

The fourth proportional to 51,281.24, 76,719.56 and 38,837.21 is: 58,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.24 : 76,719.56 = 38,837.21 : x
  2. Step 2: Convert to fraction form
    51,281.24/76,719.56 = 38,837.21/x
  3. Step 3: Cross multiply
    51,281.24x = 76,719.56 × 38,837.21
  4. Step 4: Simplify right side
    51,281.24x = 2,979,573,085.04
  5. Step 5: Solve for x
    x = 2,979,573,085.04/51,281.24
  6. Step 6: Final answer
    x = 58,102.60

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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.