Home / 124,448.40-186,639.12-45,563.04

Finding the Fourth Proportional to 124,448.40, 186,639.12 and 45,563.04

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Solution

The fourth proportional to 124,448.40, 186,639.12 and 45,563.04 is: 68,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,448.40 : 186,639.12 = 45,563.04 : x
  2. Step 2: Convert to fraction form
    124,448.40/186,639.12 = 45,563.04/x
  3. Step 3: Cross multiply
    124,448.40x = 186,639.12 × 45,563.04
  4. Step 4: Simplify right side
    124,448.40x = 8,503,845,690.12
  5. Step 5: Solve for x
    x = 8,503,845,690.12/124,448.40
  6. Step 6: Final answer
    x = 68,332.30

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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.