Home / 60,213.75-82,905.39-51,121.12

Finding the Fourth Proportional to 60,213.75, 82,905.39 and 51,121.12

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Solution

The fourth proportional to 60,213.75, 82,905.39 and 51,121.12 is: 70,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,213.75 : 82,905.39 = 51,121.12 : x
  2. Step 2: Convert to fraction form
    60,213.75/82,905.39 = 51,121.12/x
  3. Step 3: Cross multiply
    60,213.75x = 82,905.39 × 51,121.12
  4. Step 4: Simplify right side
    60,213.75x = 4,238,216,598.10
  5. Step 5: Solve for x
    x = 4,238,216,598.10/60,213.75
  6. Step 6: Final answer
    x = 70,386.20

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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.