Home / 48,285.51-72,432.38-13,225.20

Finding the Fourth Proportional to 48,285.51, 72,432.38 and 13,225.20

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Solution

The fourth proportional to 48,285.51, 72,432.38 and 13,225.20 is: 19,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285.51 : 72,432.38 = 13,225.20 : x
  2. Step 2: Convert to fraction form
    48,285.51/72,432.38 = 13,225.20/x
  3. Step 3: Cross multiply
    48,285.51x = 72,432.38 × 13,225.20
  4. Step 4: Simplify right side
    48,285.51x = 957,932,711.98
  5. Step 5: Solve for x
    x = 957,932,711.98/48,285.51
  6. Step 6: Final answer
    x = 19,838.93

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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.