Home / 49,688.75-74,533.17-12,752.75

Finding the Fourth Proportional to 49,688.75, 74,533.17 and 12,752.75

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Solution

The fourth proportional to 49,688.75, 74,533.17 and 12,752.75 is: 19,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.75 : 74,533.17 = 12,752.75 : x
  2. Step 2: Convert to fraction form
    49,688.75/74,533.17 = 12,752.75/x
  3. Step 3: Cross multiply
    49,688.75x = 74,533.17 × 12,752.75
  4. Step 4: Simplify right side
    49,688.75x = 950,502,883.72
  5. Step 5: Solve for x
    x = 950,502,883.72/49,688.75
  6. Step 6: Final answer
    x = 19,129.14

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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.