Home / 66,806.10-100,218.37-22,445.53

Finding the Fourth Proportional to 66,806.10, 100,218.37 and 22,445.53

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Solution

The fourth proportional to 66,806.10, 100,218.37 and 22,445.53 is: 33,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,806.10 : 100,218.37 = 22,445.53 : x
  2. Step 2: Convert to fraction form
    66,806.10/100,218.37 = 22,445.53/x
  3. Step 3: Cross multiply
    66,806.10x = 100,218.37 × 22,445.53
  4. Step 4: Simplify right side
    66,806.10x = 2,249,454,430.39
  5. Step 5: Solve for x
    x = 2,249,454,430.39/66,806.10
  6. Step 6: Final answer
    x = 33,671.39

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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.