Home / 109,086.69-163,578.02-38,000.59

Finding the Fourth Proportional to 109,086.69, 163,578.02 and 38,000.59

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Solution

The fourth proportional to 109,086.69, 163,578.02 and 38,000.59 is: 56,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,086.69 : 163,578.02 = 38,000.59 : x
  2. Step 2: Convert to fraction form
    109,086.69/163,578.02 = 38,000.59/x
  3. Step 3: Cross multiply
    109,086.69x = 163,578.02 × 38,000.59
  4. Step 4: Simplify right side
    109,086.69x = 6,216,060,957.09
  5. Step 5: Solve for x
    x = 6,216,060,957.09/109,086.69
  6. Step 6: Final answer
    x = 56,982.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.