Home / 65,873.28-90,905.52-37,580.16

Finding the Fourth Proportional to 65,873.28, 90,905.52 and 37,580.16

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Solution

The fourth proportional to 65,873.28, 90,905.52 and 37,580.16 is: 51,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,873.28 : 90,905.52 = 37,580.16 : x
  2. Step 2: Convert to fraction form
    65,873.28/90,905.52 = 37,580.16/x
  3. Step 3: Cross multiply
    65,873.28x = 90,905.52 × 37,580.16
  4. Step 4: Simplify right side
    65,873.28x = 3,416,243,986.48
  5. Step 5: Solve for x
    x = 3,416,243,986.48/65,873.28
  6. Step 6: Final answer
    x = 51,860.85

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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.