Home / 72,405.02-99,918.78-44,110.70

Finding the Fourth Proportional to 72,405.02, 99,918.78 and 44,110.70

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Solution

The fourth proportional to 72,405.02, 99,918.78 and 44,110.70 is: 60,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,405.02 : 99,918.78 = 44,110.70 : x
  2. Step 2: Convert to fraction form
    72,405.02/99,918.78 = 44,110.70/x
  3. Step 3: Cross multiply
    72,405.02x = 99,918.78 × 44,110.70
  4. Step 4: Simplify right side
    72,405.02x = 4,407,487,328.95
  5. Step 5: Solve for x
    x = 4,407,487,328.95/72,405.02
  6. Step 6: Final answer
    x = 60,872.68

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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.