Home / 87,160.05-130,615.34-49,642.67

Finding the Fourth Proportional to 87,160.05, 130,615.34 and 49,642.67

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Solution

The fourth proportional to 87,160.05, 130,615.34 and 49,642.67 is: 74,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,160.05 : 130,615.34 = 49,642.67 : x
  2. Step 2: Convert to fraction form
    87,160.05/130,615.34 = 49,642.67/x
  3. Step 3: Cross multiply
    87,160.05x = 130,615.34 × 49,642.67
  4. Step 4: Simplify right side
    87,160.05x = 6,484,094,298.88
  5. Step 5: Solve for x
    x = 6,484,094,298.88/87,160.05
  6. Step 6: Final answer
    x = 74,392.96

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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.