Home / 73,328.54-109,989.16-40,113.47

Finding the Fourth Proportional to 73,328.54, 109,989.16 and 40,113.47

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Solution

The fourth proportional to 73,328.54, 109,989.16 and 40,113.47 is: 60,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,328.54 : 109,989.16 = 40,113.47 : x
  2. Step 2: Convert to fraction form
    73,328.54/109,989.16 = 40,113.47/x
  3. Step 3: Cross multiply
    73,328.54x = 109,989.16 × 40,113.47
  4. Step 4: Simplify right side
    73,328.54x = 4,412,047,044.67
  5. Step 5: Solve for x
    x = 4,412,047,044.67/73,328.54
  6. Step 6: Final answer
    x = 60,168.21

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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.