Home / 94,671.45-142,029.09-28,110.15

Finding the Fourth Proportional to 94,671.45, 142,029.09 and 28,110.15

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Solution

The fourth proportional to 94,671.45, 142,029.09 and 28,110.15 is: 42,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,671.45 : 142,029.09 = 28,110.15 : x
  2. Step 2: Convert to fraction form
    94,671.45/142,029.09 = 28,110.15/x
  3. Step 3: Cross multiply
    94,671.45x = 142,029.09 × 28,110.15
  4. Step 4: Simplify right side
    94,671.45x = 3,992,459,024.26
  5. Step 5: Solve for x
    x = 3,992,459,024.26/94,671.45
  6. Step 6: Final answer
    x = 42,171.73

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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.