Home / 67,639.56-93,336.68-37,424.40

Finding the Fourth Proportional to 67,639.56, 93,336.68 and 37,424.40

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Solution

The fourth proportional to 67,639.56, 93,336.68 and 37,424.40 is: 51,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,639.56 : 93,336.68 = 37,424.40 : x
  2. Step 2: Convert to fraction form
    67,639.56/93,336.68 = 37,424.40/x
  3. Step 3: Cross multiply
    67,639.56x = 93,336.68 × 37,424.40
  4. Step 4: Simplify right side
    67,639.56x = 3,493,069,246.99
  5. Step 5: Solve for x
    x = 3,493,069,246.99/67,639.56
  6. Step 6: Final answer
    x = 51,642.40

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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.