Home / 49,421.52-74,139.51-14,356.62

Finding the Fourth Proportional to 49,421.52, 74,139.51 and 14,356.62

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Solution

The fourth proportional to 49,421.52, 74,139.51 and 14,356.62 is: 21,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.52 : 74,139.51 = 14,356.62 : x
  2. Step 2: Convert to fraction form
    49,421.52/74,139.51 = 14,356.62/x
  3. Step 3: Cross multiply
    49,421.52x = 74,139.51 × 14,356.62
  4. Step 4: Simplify right side
    49,421.52x = 1,064,392,772.06
  5. Step 5: Solve for x
    x = 1,064,392,772.06/49,421.52
  6. Step 6: Final answer
    x = 21,537.03

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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.