Home / 103,083.60-154,535.40-39,946.80

Finding the Fourth Proportional to 103,083.60, 154,535.40 and 39,946.80

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Solution

The fourth proportional to 103,083.60, 154,535.40 and 39,946.80 is: 59,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,083.60 : 154,535.40 = 39,946.80 : x
  2. Step 2: Convert to fraction form
    103,083.60/154,535.40 = 39,946.80/x
  3. Step 3: Cross multiply
    103,083.60x = 154,535.40 × 39,946.80
  4. Step 4: Simplify right side
    103,083.60x = 6,173,194,716.72
  5. Step 5: Solve for x
    x = 6,173,194,716.72/103,083.60
  6. Step 6: Final answer
    x = 59,885.32

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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.