Home / 67,833.38-93,621-39,533.60

Finding the Fourth Proportional to 67,833.38, 93,621 and 39,533.60

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Solution

The fourth proportional to 67,833.38, 93,621 and 39,533.60 is: 54,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,833.38 : 93,621 = 39,533.60 : x
  2. Step 2: Convert to fraction form
    67,833.38/93,621 = 39,533.60/x
  3. Step 3: Cross multiply
    67,833.38x = 93,621 × 39,533.60
  4. Step 4: Simplify right side
    67,833.38x = 3,701,175,165.60
  5. Step 5: Solve for x
    x = 3,701,175,165.60/67,833.38
  6. Step 6: Final answer
    x = 54,562.74

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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.