Home / 109,008.08-163,422.96-56,432.56

Finding the Fourth Proportional to 109,008.08, 163,422.96 and 56,432.56

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Solution

The fourth proportional to 109,008.08, 163,422.96 and 56,432.56 is: 84,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,008.08 : 163,422.96 = 56,432.56 : x
  2. Step 2: Convert to fraction form
    109,008.08/163,422.96 = 56,432.56/x
  3. Step 3: Cross multiply
    109,008.08x = 163,422.96 × 56,432.56
  4. Step 4: Simplify right side
    109,008.08x = 9,222,375,995.58
  5. Step 5: Solve for x
    x = 9,222,375,995.58/109,008.08
  6. Step 6: Final answer
    x = 84,602.68

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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.