Home / 66,411.81-99,629.55-22,041.18

Finding the Fourth Proportional to 66,411.81, 99,629.55 and 22,041.18

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Solution

The fourth proportional to 66,411.81, 99,629.55 and 22,041.18 is: 33,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,411.81 : 99,629.55 = 22,041.18 : x
  2. Step 2: Convert to fraction form
    66,411.81/99,629.55 = 22,041.18/x
  3. Step 3: Cross multiply
    66,411.81x = 99,629.55 × 22,041.18
  4. Step 4: Simplify right side
    66,411.81x = 2,195,952,844.87
  5. Step 5: Solve for x
    x = 2,195,952,844.87/66,411.81
  6. Step 6: Final answer
    x = 33,065.70

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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.