Home / 62,175.22-85,772.28-42,039.04

Finding the Fourth Proportional to 62,175.22, 85,772.28 and 42,039.04

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Solution

The fourth proportional to 62,175.22, 85,772.28 and 42,039.04 is: 57,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,175.22 : 85,772.28 = 42,039.04 : x
  2. Step 2: Convert to fraction form
    62,175.22/85,772.28 = 42,039.04/x
  3. Step 3: Cross multiply
    62,175.22x = 85,772.28 × 42,039.04
  4. Step 4: Simplify right side
    62,175.22x = 3,605,784,309.81
  5. Step 5: Solve for x
    x = 3,605,784,309.81/62,175.22
  6. Step 6: Final answer
    x = 57,993.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.