Home / 60,822.16-91,138.03-45,811.98

Finding the Fourth Proportional to 60,822.16, 91,138.03 and 45,811.98

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Solution

The fourth proportional to 60,822.16, 91,138.03 and 45,811.98 is: 68,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,822.16 : 91,138.03 = 45,811.98 : x
  2. Step 2: Convert to fraction form
    60,822.16/91,138.03 = 45,811.98/x
  3. Step 3: Cross multiply
    60,822.16x = 91,138.03 × 45,811.98
  4. Step 4: Simplify right side
    60,822.16x = 4,175,213,493.07
  5. Step 5: Solve for x
    x = 4,175,213,493.07/60,822.16
  6. Step 6: Final answer
    x = 68,646.26

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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.