Home / 66,218.93-99,390.81-24,139.68

Finding the Fourth Proportional to 66,218.93, 99,390.81 and 24,139.68

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Solution

The fourth proportional to 66,218.93, 99,390.81 and 24,139.68 is: 36,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,218.93 : 99,390.81 = 24,139.68 : x
  2. Step 2: Convert to fraction form
    66,218.93/99,390.81 = 24,139.68/x
  3. Step 3: Cross multiply
    66,218.93x = 99,390.81 × 24,139.68
  4. Step 4: Simplify right side
    66,218.93x = 2,399,261,851.39
  5. Step 5: Solve for x
    x = 2,399,261,851.39/66,218.93
  6. Step 6: Final answer
    x = 36,232.27

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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.