Home / 96,948.03-145,417.82-30,386.64

Finding the Fourth Proportional to 96,948.03, 145,417.82 and 30,386.64

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Solution

The fourth proportional to 96,948.03, 145,417.82 and 30,386.64 is: 45,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,948.03 : 145,417.82 = 30,386.64 : x
  2. Step 2: Convert to fraction form
    96,948.03/145,417.82 = 30,386.64/x
  3. Step 3: Cross multiply
    96,948.03x = 145,417.82 × 30,386.64
  4. Step 4: Simplify right side
    96,948.03x = 4,418,758,793.99
  5. Step 5: Solve for x
    x = 4,418,758,793.99/96,948.03
  6. Step 6: Final answer
    x = 45,578.63

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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.