Home / 48,320.80-72,477.94-13,257.52

Finding the Fourth Proportional to 48,320.80, 72,477.94 and 13,257.52

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Solution

The fourth proportional to 48,320.80, 72,477.94 and 13,257.52 is: 19,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.80 : 72,477.94 = 13,257.52 : x
  2. Step 2: Convert to fraction form
    48,320.80/72,477.94 = 13,257.52/x
  3. Step 3: Cross multiply
    48,320.80x = 72,477.94 × 13,257.52
  4. Step 4: Simplify right side
    48,320.80x = 960,877,739.11
  5. Step 5: Solve for x
    x = 960,877,739.11/48,320.80
  6. Step 6: Final answer
    x = 19,885.39

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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.