Home / 81,280.58-112,162.68-45,463.67

Finding the Fourth Proportional to 81,280.58, 112,162.68 and 45,463.67

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Solution

The fourth proportional to 81,280.58, 112,162.68 and 45,463.67 is: 62,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,280.58 : 112,162.68 = 45,463.67 : x
  2. Step 2: Convert to fraction form
    81,280.58/112,162.68 = 45,463.67/x
  3. Step 3: Cross multiply
    81,280.58x = 112,162.68 × 45,463.67
  4. Step 4: Simplify right side
    81,280.58x = 5,099,327,069.84
  5. Step 5: Solve for x
    x = 5,099,327,069.84/81,280.58
  6. Step 6: Final answer
    x = 62,737.34

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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.