Home / 96,946.45-145,421.49-30,385.10

Finding the Fourth Proportional to 96,946.45, 145,421.49 and 30,385.10

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Solution

The fourth proportional to 96,946.45, 145,421.49 and 30,385.10 is: 45,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,946.45 : 145,421.49 = 30,385.10 : x
  2. Step 2: Convert to fraction form
    96,946.45/145,421.49 = 30,385.10/x
  3. Step 3: Cross multiply
    96,946.45x = 145,421.49 × 30,385.10
  4. Step 4: Simplify right side
    96,946.45x = 4,418,646,515.80
  5. Step 5: Solve for x
    x = 4,418,646,515.80/96,946.45
  6. Step 6: Final answer
    x = 45,578.22

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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.