Home / 124,066.40-186,130.78-39,834.08

Finding the Fourth Proportional to 124,066.40, 186,130.78 and 39,834.08

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Solution

The fourth proportional to 124,066.40, 186,130.78 and 39,834.08 is: 59,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,066.40 : 186,130.78 = 39,834.08 : x
  2. Step 2: Convert to fraction form
    124,066.40/186,130.78 = 39,834.08/x
  3. Step 3: Cross multiply
    124,066.40x = 186,130.78 × 39,834.08
  4. Step 4: Simplify right side
    124,066.40x = 7,414,348,380.98
  5. Step 5: Solve for x
    x = 7,414,348,380.98/124,066.40
  6. Step 6: Final answer
    x = 59,761.13

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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.