Home / 94,403.70-141,605.55-90,774.90

Finding the Fourth Proportional to 94,403.70, 141,605.55 and 90,774.90

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Solution

The fourth proportional to 94,403.70, 141,605.55 and 90,774.90 is: 136,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,403.70 : 141,605.55 = 90,774.90 : x
  2. Step 2: Convert to fraction form
    94,403.70/141,605.55 = 90,774.90/x
  3. Step 3: Cross multiply
    94,403.70x = 141,605.55 × 90,774.90
  4. Step 4: Simplify right side
    94,403.70x = 12,854,229,640.70
  5. Step 5: Solve for x
    x = 12,854,229,640.70/94,403.70
  6. Step 6: Final answer
    x = 136,162.35

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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.