Home / 87,066.29-130,424.45-45,425.81

Finding the Fourth Proportional to 87,066.29, 130,424.45 and 45,425.81

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Solution

The fourth proportional to 87,066.29, 130,424.45 and 45,425.81 is: 68,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,066.29 : 130,424.45 = 45,425.81 : x
  2. Step 2: Convert to fraction form
    87,066.29/130,424.45 = 45,425.81/x
  3. Step 3: Cross multiply
    87,066.29x = 130,424.45 × 45,425.81
  4. Step 4: Simplify right side
    87,066.29x = 5,924,636,383.99
  5. Step 5: Solve for x
    x = 5,924,636,383.99/87,066.29
  6. Step 6: Final answer
    x = 68,047.42

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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.