Home / 48,069.48-72,112.53-21,424.95

Finding the Fourth Proportional to 48,069.48, 72,112.53 and 21,424.95

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Solution

The fourth proportional to 48,069.48, 72,112.53 and 21,424.95 is: 32,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,069.48 : 72,112.53 = 21,424.95 : x
  2. Step 2: Convert to fraction form
    48,069.48/72,112.53 = 21,424.95/x
  3. Step 3: Cross multiply
    48,069.48x = 72,112.53 × 21,424.95
  4. Step 4: Simplify right side
    48,069.48x = 1,545,007,349.62
  5. Step 5: Solve for x
    x = 1,545,007,349.62/48,069.48
  6. Step 6: Final answer
    x = 32,141.13

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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.