Home / 77,490.02-116,247.88-27,559.60

Finding the Fourth Proportional to 77,490.02, 116,247.88 and 27,559.60

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Solution

The fourth proportional to 77,490.02, 116,247.88 and 27,559.60 is: 41,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,490.02 : 116,247.88 = 27,559.60 : x
  2. Step 2: Convert to fraction form
    77,490.02/116,247.88 = 27,559.60/x
  3. Step 3: Cross multiply
    77,490.02x = 116,247.88 × 27,559.60
  4. Step 4: Simplify right side
    77,490.02x = 3,203,745,073.65
  5. Step 5: Solve for x
    x = 3,203,745,073.65/77,490.02
  6. Step 6: Final answer
    x = 41,343.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.