Home / 87,873.86-131,783.54-31,706.67

Finding the Fourth Proportional to 87,873.86, 131,783.54 and 31,706.67

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Solution

The fourth proportional to 87,873.86, 131,783.54 and 31,706.67 is: 47,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,873.86 : 131,783.54 = 31,706.67 : x
  2. Step 2: Convert to fraction form
    87,873.86/131,783.54 = 31,706.67/x
  3. Step 3: Cross multiply
    87,873.86x = 131,783.54 × 31,706.67
  4. Step 4: Simplify right side
    87,873.86x = 4,178,417,055.68
  5. Step 5: Solve for x
    x = 4,178,417,055.68/87,873.86
  6. Step 6: Final answer
    x = 47,550.17

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1.5x scale

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.