Home / 56,455.83-77,713.50-48,795.61

Finding the Fourth Proportional to 56,455.83, 77,713.50 and 48,795.61

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Solution

The fourth proportional to 56,455.83, 77,713.50 and 48,795.61 is: 67,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.83 : 77,713.50 = 48,795.61 : x
  2. Step 2: Convert to fraction form
    56,455.83/77,713.50 = 48,795.61/x
  3. Step 3: Cross multiply
    56,455.83x = 77,713.50 × 48,795.61
  4. Step 4: Simplify right side
    56,455.83x = 3,792,078,063.57
  5. Step 5: Solve for x
    x = 3,792,078,063.57/56,455.83
  6. Step 6: Final answer
    x = 67,168.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.