Home / 65,748.45-90,732.64-37,458.93

Finding the Fourth Proportional to 65,748.45, 90,732.64 and 37,458.93

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Solution

The fourth proportional to 65,748.45, 90,732.64 and 37,458.93 is: 51,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748.45 : 90,732.64 = 37,458.93 : x
  2. Step 2: Convert to fraction form
    65,748.45/90,732.64 = 37,458.93/x
  3. Step 3: Cross multiply
    65,748.45x = 90,732.64 × 37,458.93
  4. Step 4: Simplify right side
    65,748.45x = 3,398,747,610.48
  5. Step 5: Solve for x
    x = 3,398,747,610.48/65,748.45
  6. Step 6: Final answer
    x = 51,693.20

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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.