Home / 96,938.48-145,407.74-30,383.76

Finding the Fourth Proportional to 96,938.48, 145,407.74 and 30,383.76

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Solution

The fourth proportional to 96,938.48, 145,407.74 and 30,383.76 is: 45,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,938.48 : 145,407.74 = 30,383.76 : x
  2. Step 2: Convert to fraction form
    96,938.48/145,407.74 = 30,383.76/x
  3. Step 3: Cross multiply
    96,938.48x = 145,407.74 × 30,383.76
  4. Step 4: Simplify right side
    96,938.48x = 4,418,033,722.38
  5. Step 5: Solve for x
    x = 4,418,033,722.38/96,938.48
  6. Step 6: Final answer
    x = 45,575.65

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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.