Home / 66,624.48-99,908.27-38,563.90

Finding the Fourth Proportional to 66,624.48, 99,908.27 and 38,563.90

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Solution

The fourth proportional to 66,624.48, 99,908.27 and 38,563.90 is: 57,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,624.48 : 99,908.27 = 38,563.90 : x
  2. Step 2: Convert to fraction form
    66,624.48/99,908.27 = 38,563.90/x
  3. Step 3: Cross multiply
    66,624.48x = 99,908.27 × 38,563.90
  4. Step 4: Simplify right side
    66,624.48x = 3,852,852,531.26
  5. Step 5: Solve for x
    x = 3,852,852,531.26/66,624.48
  6. Step 6: Final answer
    x = 57,829.38

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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.