Home / 49,681.28-74,522.64-14,612.96

Finding the Fourth Proportional to 49,681.28, 74,522.64 and 14,612.96

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Solution

The fourth proportional to 49,681.28, 74,522.64 and 14,612.96 is: 21,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.28 : 74,522.64 = 14,612.96 : x
  2. Step 2: Convert to fraction form
    49,681.28/74,522.64 = 14,612.96/x
  3. Step 3: Cross multiply
    49,681.28x = 74,522.64 × 14,612.96
  4. Step 4: Simplify right side
    49,681.28x = 1,088,996,357.41
  5. Step 5: Solve for x
    x = 1,088,996,357.41/49,681.28
  6. Step 6: Final answer
    x = 21,919.65

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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.