Home / 49,140.20-73,710.30-14,083.40

Finding the Fourth Proportional to 49,140.20, 73,710.30 and 14,083.40

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Solution

The fourth proportional to 49,140.20, 73,710.30 and 14,083.40 is: 21,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,140.20 : 73,710.30 = 14,083.40 : x
  2. Step 2: Convert to fraction form
    49,140.20/73,710.30 = 14,083.40/x
  3. Step 3: Cross multiply
    49,140.20x = 73,710.30 × 14,083.40
  4. Step 4: Simplify right side
    49,140.20x = 1,038,091,639.02
  5. Step 5: Solve for x
    x = 1,038,091,639.02/49,140.20
  6. Step 6: Final answer
    x = 21,125.10

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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.