Home / 48,143.18-72,216.25-13,083.58

Finding the Fourth Proportional to 48,143.18, 72,216.25 and 13,083.58

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Solution

The fourth proportional to 48,143.18, 72,216.25 and 13,083.58 is: 19,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143.18 : 72,216.25 = 13,083.58 : x
  2. Step 2: Convert to fraction form
    48,143.18/72,216.25 = 13,083.58/x
  3. Step 3: Cross multiply
    48,143.18x = 72,216.25 × 13,083.58
  4. Step 4: Simplify right side
    48,143.18x = 944,847,084.18
  5. Step 5: Solve for x
    x = 944,847,084.18/48,143.18
  6. Step 6: Final answer
    x = 19,625.77

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1.5x scale

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.