Home / 124,057.30-186,082.49-39,816.81

Finding the Fourth Proportional to 124,057.30, 186,082.49 and 39,816.81

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Solution

The fourth proportional to 124,057.30, 186,082.49 and 39,816.81 is: 59,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,057.30 : 186,082.49 = 39,816.81 : x
  2. Step 2: Convert to fraction form
    124,057.30/186,082.49 = 39,816.81/x
  3. Step 3: Cross multiply
    124,057.30x = 186,082.49 × 39,816.81
  4. Step 4: Simplify right side
    124,057.30x = 7,409,211,148.66
  5. Step 5: Solve for x
    x = 7,409,211,148.66/124,057.30
  6. Step 6: Final answer
    x = 59,724.10

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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.