Home / 65,818.23-90,828.59-37,138.11

Finding the Fourth Proportional to 65,818.23, 90,828.59 and 37,138.11

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Solution

The fourth proportional to 65,818.23, 90,828.59 and 37,138.11 is: 51,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,818.23 : 90,828.59 = 37,138.11 : x
  2. Step 2: Convert to fraction form
    65,818.23/90,828.59 = 37,138.11/x
  3. Step 3: Cross multiply
    65,818.23x = 90,828.59 × 37,138.11
  4. Step 4: Simplify right side
    65,818.23x = 3,373,201,712.42
  5. Step 5: Solve for x
    x = 3,373,201,712.42/65,818.23
  6. Step 6: Final answer
    x = 51,250.26

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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.