Home / 48,300.23-72,442.03-12,761.93

Finding the Fourth Proportional to 48,300.23, 72,442.03 and 12,761.93

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Solution

The fourth proportional to 48,300.23, 72,442.03 and 12,761.93 is: 19,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,300.23 : 72,442.03 = 12,761.93 : x
  2. Step 2: Convert to fraction form
    48,300.23/72,442.03 = 12,761.93/x
  3. Step 3: Cross multiply
    48,300.23x = 72,442.03 × 12,761.93
  4. Step 4: Simplify right side
    48,300.23x = 924,500,115.92
  5. Step 5: Solve for x
    x = 924,500,115.92/48,300.23
  6. Step 6: Final answer
    x = 19,140.70

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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.