Home / 96,961.70-145,442.57-30,407.65

Finding the Fourth Proportional to 96,961.70, 145,442.57 and 30,407.65

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Solution

The fourth proportional to 96,961.70, 145,442.57 and 30,407.65 is: 45,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,961.70 : 145,442.57 = 30,407.65 : x
  2. Step 2: Convert to fraction form
    96,961.70/145,442.57 = 30,407.65/x
  3. Step 3: Cross multiply
    96,961.70x = 145,442.57 × 30,407.65
  4. Step 4: Simplify right side
    96,961.70x = 4,422,566,248.02
  5. Step 5: Solve for x
    x = 4,422,566,248.02/96,961.70
  6. Step 6: Final answer
    x = 45,611.47

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1.5x scale

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.