Home / 48,657.16-72,989.58-15,379.76

Finding the Fourth Proportional to 48,657.16, 72,989.58 and 15,379.76

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Solution

The fourth proportional to 48,657.16, 72,989.58 and 15,379.76 is: 23,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,657.16 : 72,989.58 = 15,379.76 : x
  2. Step 2: Convert to fraction form
    48,657.16/72,989.58 = 15,379.76/x
  3. Step 3: Cross multiply
    48,657.16x = 72,989.58 × 15,379.76
  4. Step 4: Simplify right side
    48,657.16x = 1,122,562,222.90
  5. Step 5: Solve for x
    x = 1,122,562,222.90/48,657.16
  6. Step 6: Final answer
    x = 23,070.85

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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.