Home / 90,670.24-125,012.44-60,389.20

Finding the Fourth Proportional to 90,670.24, 125,012.44 and 60,389.20

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Solution

The fourth proportional to 90,670.24, 125,012.44 and 60,389.20 is: 83,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,670.24 : 125,012.44 = 60,389.20 : x
  2. Step 2: Convert to fraction form
    90,670.24/125,012.44 = 60,389.20/x
  3. Step 3: Cross multiply
    90,670.24x = 125,012.44 × 60,389.20
  4. Step 4: Simplify right side
    90,670.24x = 7,549,401,241.65
  5. Step 5: Solve for x
    x = 7,549,401,241.65/90,670.24
  6. Step 6: Final answer
    x = 83,262.17

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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.