Home / 79,238.16-109,334.76-45,231.12

Finding the Fourth Proportional to 79,238.16, 109,334.76 and 45,231.12

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Solution

The fourth proportional to 79,238.16, 109,334.76 and 45,231.12 is: 62,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238.16 : 109,334.76 = 45,231.12 : x
  2. Step 2: Convert to fraction form
    79,238.16/109,334.76 = 45,231.12/x
  3. Step 3: Cross multiply
    79,238.16x = 109,334.76 × 45,231.12
  4. Step 4: Simplify right side
    79,238.16x = 4,945,333,649.73
  5. Step 5: Solve for x
    x = 4,945,333,649.73/79,238.16
  6. Step 6: Final answer
    x = 62,411.01

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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.