Home / 90,892.40-136,366.44-46,550.30

Finding the Fourth Proportional to 90,892.40, 136,366.44 and 46,550.30

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Solution

The fourth proportional to 90,892.40, 136,366.44 and 46,550.30 is: 69,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,892.40 : 136,366.44 = 46,550.30 : x
  2. Step 2: Convert to fraction form
    90,892.40/136,366.44 = 46,550.30/x
  3. Step 3: Cross multiply
    90,892.40x = 136,366.44 × 46,550.30
  4. Step 4: Simplify right side
    90,892.40x = 6,347,897,777.35
  5. Step 5: Solve for x
    x = 6,347,897,777.35/90,892.40
  6. Step 6: Final answer
    x = 69,839.70

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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.