Home / 49,368.80-74,064.72-14,309.12

Finding the Fourth Proportional to 49,368.80, 74,064.72 and 14,309.12

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Solution

The fourth proportional to 49,368.80, 74,064.72 and 14,309.12 is: 21,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,368.80 : 74,064.72 = 14,309.12 : x
  2. Step 2: Convert to fraction form
    49,368.80/74,064.72 = 14,309.12/x
  3. Step 3: Cross multiply
    49,368.80x = 74,064.72 × 14,309.12
  4. Step 4: Simplify right side
    49,368.80x = 1,059,800,966.25
  5. Step 5: Solve for x
    x = 1,059,800,966.25/49,368.80
  6. Step 6: Final answer
    x = 21,467.02

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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.