Home / 65,472.10-90,281.79-51,837.37

Finding the Fourth Proportional to 65,472.10, 90,281.79 and 51,837.37

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Solution

The fourth proportional to 65,472.10, 90,281.79 and 51,837.37 is: 71,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,472.10 : 90,281.79 = 51,837.37 : x
  2. Step 2: Convert to fraction form
    65,472.10/90,281.79 = 51,837.37/x
  3. Step 3: Cross multiply
    65,472.10x = 90,281.79 × 51,837.37
  4. Step 4: Simplify right side
    65,472.10x = 4,679,970,326.79
  5. Step 5: Solve for x
    x = 4,679,970,326.79/65,472.10
  6. Step 6: Final answer
    x = 71,480.38

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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.