Home / 65,812.12-90,815.34-37,512.52

Finding the Fourth Proportional to 65,812.12, 90,815.34 and 37,512.52

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Solution

The fourth proportional to 65,812.12, 90,815.34 and 37,512.52 is: 51,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,812.12 : 90,815.34 = 37,512.52 : x
  2. Step 2: Convert to fraction form
    65,812.12/90,815.34 = 37,512.52/x
  3. Step 3: Cross multiply
    65,812.12x = 90,815.34 × 37,512.52
  4. Step 4: Simplify right side
    65,812.12x = 3,406,712,258.06
  5. Step 5: Solve for x
    x = 3,406,712,258.06/65,812.12
  6. Step 6: Final answer
    x = 51,764.21

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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.