Home / 109,499.40-164,135.70-59,473.80

Finding the Fourth Proportional to 109,499.40, 164,135.70 and 59,473.80

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Solution

The fourth proportional to 109,499.40, 164,135.70 and 59,473.80 is: 89,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,499.40 : 164,135.70 = 59,473.80 : x
  2. Step 2: Convert to fraction form
    109,499.40/164,135.70 = 59,473.80/x
  3. Step 3: Cross multiply
    109,499.40x = 164,135.70 × 59,473.80
  4. Step 4: Simplify right side
    109,499.40x = 9,761,773,794.66
  5. Step 5: Solve for x
    x = 9,761,773,794.66/109,499.40
  6. Step 6: Final answer
    x = 89,149.11

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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.