Home / 49,424.60-74,138.76-14,364.56

Finding the Fourth Proportional to 49,424.60, 74,138.76 and 14,364.56

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Solution

The fourth proportional to 49,424.60, 74,138.76 and 14,364.56 is: 21,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,424.60 : 74,138.76 = 14,364.56 : x
  2. Step 2: Convert to fraction form
    49,424.60/74,138.76 = 14,364.56/x
  3. Step 3: Cross multiply
    49,424.60x = 74,138.76 × 14,364.56
  4. Step 4: Simplify right side
    49,424.60x = 1,064,970,666.35
  5. Step 5: Solve for x
    x = 1,064,970,666.35/49,424.60
  6. Step 6: Final answer
    x = 21,547.38

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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.