Home / 106,068.60-159,083.46-42,885.36

Finding the Fourth Proportional to 106,068.60, 159,083.46 and 42,885.36

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Solution

The fourth proportional to 106,068.60, 159,083.46 and 42,885.36 is: 64,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,068.60 : 159,083.46 = 42,885.36 : x
  2. Step 2: Convert to fraction form
    106,068.60/159,083.46 = 42,885.36/x
  3. Step 3: Cross multiply
    106,068.60x = 159,083.46 × 42,885.36
  4. Step 4: Simplify right side
    106,068.60x = 6,822,351,452.15
  5. Step 5: Solve for x
    x = 6,822,351,452.15/106,068.60
  6. Step 6: Final answer
    x = 64,320.18

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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.