Home / 77,084.35-106,394.18-50,180.00

Finding the Fourth Proportional to 77,084.35, 106,394.18 and 50,180.00

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Solution

The fourth proportional to 77,084.35, 106,394.18 and 50,180.00 is: 69,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,084.35 : 106,394.18 = 50,180.00 : x
  2. Step 2: Convert to fraction form
    77,084.35/106,394.18 = 50,180.00/x
  3. Step 3: Cross multiply
    77,084.35x = 106,394.18 × 50,180.00
  4. Step 4: Simplify right side
    77,084.35x = 5,338,859,169.53
  5. Step 5: Solve for x
    x = 5,338,859,169.53/77,084.35
  6. Step 6: Final answer
    x = 69,259.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.