Home / 67,630.63-93,333.81-38,954.65

Finding the Fourth Proportional to 67,630.63, 93,333.81 and 38,954.65

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Solution

The fourth proportional to 67,630.63, 93,333.81 and 38,954.65 is: 53,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,630.63 : 93,333.81 = 38,954.65 : x
  2. Step 2: Convert to fraction form
    67,630.63/93,333.81 = 38,954.65/x
  3. Step 3: Cross multiply
    67,630.63x = 93,333.81 × 38,954.65
  4. Step 4: Simplify right side
    67,630.63x = 3,635,785,901.72
  5. Step 5: Solve for x
    x = 3,635,785,901.72/67,630.63
  6. Step 6: Final answer
    x = 53,759.46

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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.