Home / 58,631.87-80,912.05-31,774.14

Finding the Fourth Proportional to 58,631.87, 80,912.05 and 31,774.14

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Solution

The fourth proportional to 58,631.87, 80,912.05 and 31,774.14 is: 43,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,631.87 : 80,912.05 = 31,774.14 : x
  2. Step 2: Convert to fraction form
    58,631.87/80,912.05 = 31,774.14/x
  3. Step 3: Cross multiply
    58,631.87x = 80,912.05 × 31,774.14
  4. Step 4: Simplify right side
    58,631.87x = 2,570,910,724.95
  5. Step 5: Solve for x
    x = 2,570,910,724.95/58,631.87
  6. Step 6: Final answer
    x = 43,848.35

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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.