Home / 96,974.28-145,457.19-30,412.89

Finding the Fourth Proportional to 96,974.28, 145,457.19 and 30,412.89

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Solution

The fourth proportional to 96,974.28, 145,457.19 and 30,412.89 is: 45,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,974.28 : 145,457.19 = 30,412.89 : x
  2. Step 2: Convert to fraction form
    96,974.28/145,457.19 = 30,412.89/x
  3. Step 3: Cross multiply
    96,974.28x = 145,457.19 × 30,412.89
  4. Step 4: Simplify right side
    96,974.28x = 4,423,773,519.18
  5. Step 5: Solve for x
    x = 4,423,773,519.18/96,974.28
  6. Step 6: Final answer
    x = 45,618.01

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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.