Home / 85,002.32-117,237.30-54,792.56

Finding the Fourth Proportional to 85,002.32, 117,237.30 and 54,792.56

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Solution

The fourth proportional to 85,002.32, 117,237.30 and 54,792.56 is: 75,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002.32 : 117,237.30 = 54,792.56 : x
  2. Step 2: Convert to fraction form
    85,002.32/117,237.30 = 54,792.56/x
  3. Step 3: Cross multiply
    85,002.32x = 117,237.30 × 54,792.56
  4. Step 4: Simplify right side
    85,002.32x = 6,423,731,794.49
  5. Step 5: Solve for x
    x = 6,423,731,794.49/85,002.32
  6. Step 6: Final answer
    x = 75,571.25

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1.5x scale

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.