Home / 106,278.46-159,445.12-39,719.10

Finding the Fourth Proportional to 106,278.46, 159,445.12 and 39,719.10

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Solution

The fourth proportional to 106,278.46, 159,445.12 and 39,719.10 is: 59,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,278.46 : 159,445.12 = 39,719.10 : x
  2. Step 2: Convert to fraction form
    106,278.46/159,445.12 = 39,719.10/x
  3. Step 3: Cross multiply
    106,278.46x = 159,445.12 × 39,719.10
  4. Step 4: Simplify right side
    106,278.46x = 6,333,016,665.79
  5. Step 5: Solve for x
    x = 6,333,016,665.79/106,278.46
  6. Step 6: Final answer
    x = 59,588.90

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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.