Home / 58,153.75-80,252.18-31,657.75

Finding the Fourth Proportional to 58,153.75, 80,252.18 and 31,657.75

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Solution

The fourth proportional to 58,153.75, 80,252.18 and 31,657.75 is: 43,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,153.75 : 80,252.18 = 31,657.75 : x
  2. Step 2: Convert to fraction form
    58,153.75/80,252.18 = 31,657.75/x
  3. Step 3: Cross multiply
    58,153.75x = 80,252.18 × 31,657.75
  4. Step 4: Simplify right side
    58,153.75x = 2,540,603,451.40
  5. Step 5: Solve for x
    x = 2,540,603,451.40/58,153.75
  6. Step 6: Final answer
    x = 43,687.70

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1.5x scale

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.