Home / 67,628.85-93,328.80-38,953.66

Finding the Fourth Proportional to 67,628.85, 93,328.80 and 38,953.66

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Solution

The fourth proportional to 67,628.85, 93,328.80 and 38,953.66 is: 53,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,628.85 : 93,328.80 = 38,953.66 : x
  2. Step 2: Convert to fraction form
    67,628.85/93,328.80 = 38,953.66/x
  3. Step 3: Cross multiply
    67,628.85x = 93,328.80 × 38,953.66
  4. Step 4: Simplify right side
    67,628.85x = 3,635,498,593.61
  5. Step 5: Solve for x
    x = 3,635,498,593.61/67,628.85
  6. Step 6: Final answer
    x = 53,756.62

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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.