Home / 99,328.49-148,989.43-43,168.66

Finding the Fourth Proportional to 99,328.49, 148,989.43 and 43,168.66

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Solution

The fourth proportional to 99,328.49, 148,989.43 and 43,168.66 is: 64,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.49 : 148,989.43 = 43,168.66 : x
  2. Step 2: Convert to fraction form
    99,328.49/148,989.43 = 43,168.66/x
  3. Step 3: Cross multiply
    99,328.49x = 148,989.43 × 43,168.66
  4. Step 4: Simplify right side
    99,328.49x = 6,431,674,047.26
  5. Step 5: Solve for x
    x = 6,431,674,047.26/99,328.49
  6. Step 6: Final answer
    x = 64,751.55

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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.