Home / 96,612.30-144,900-30,053.25

Finding the Fourth Proportional to 96,612.30, 144,900 and 30,053.25

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Solution

The fourth proportional to 96,612.30, 144,900 and 30,053.25 is: 45,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,612.30 : 144,900 = 30,053.25 : x
  2. Step 2: Convert to fraction form
    96,612.30/144,900 = 30,053.25/x
  3. Step 3: Cross multiply
    96,612.30x = 144,900 × 30,053.25
  4. Step 4: Simplify right side
    96,612.30x = 4,354,715,925
  5. Step 5: Solve for x
    x = 4,354,715,925/96,612.30
  6. Step 6: Final answer
    x = 45,074.14

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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.