Home / 99,422.48-149,142.02-43,264.50

Finding the Fourth Proportional to 99,422.48, 149,142.02 and 43,264.50

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Solution

The fourth proportional to 99,422.48, 149,142.02 and 43,264.50 is: 64,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,422.48 : 149,142.02 = 43,264.50 : x
  2. Step 2: Convert to fraction form
    99,422.48/149,142.02 = 43,264.50/x
  3. Step 3: Cross multiply
    99,422.48x = 149,142.02 × 43,264.50
  4. Step 4: Simplify right side
    99,422.48x = 6,452,554,707.97
  5. Step 5: Solve for x
    x = 6,452,554,707.97/99,422.48
  6. Step 6: Final answer
    x = 64,900.36

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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.