Home / 109,923.40-164,885.10-39,793.60

Finding the Fourth Proportional to 109,923.40, 164,885.10 and 39,793.60

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Solution

The fourth proportional to 109,923.40, 164,885.10 and 39,793.60 is: 59,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,923.40 : 164,885.10 = 39,793.60 : x
  2. Step 2: Convert to fraction form
    109,923.40/164,885.10 = 39,793.60/x
  3. Step 3: Cross multiply
    109,923.40x = 164,885.10 × 39,793.60
  4. Step 4: Simplify right side
    109,923.40x = 6,561,371,715.36
  5. Step 5: Solve for x
    x = 6,561,371,715.36/109,923.40
  6. Step 6: Final answer
    x = 59,690.40

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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.