Home / 51,728.04-77,592.60-41,405.40

Finding the Fourth Proportional to 51,728.04, 77,592.60 and 41,405.40

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Solution

The fourth proportional to 51,728.04, 77,592.60 and 41,405.40 is: 62,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,728.04 : 77,592.60 = 41,405.40 : x
  2. Step 2: Convert to fraction form
    51,728.04/77,592.60 = 41,405.40/x
  3. Step 3: Cross multiply
    51,728.04x = 77,592.60 × 41,405.40
  4. Step 4: Simplify right side
    51,728.04x = 3,212,752,640.04
  5. Step 5: Solve for x
    x = 3,212,752,640.04/51,728.04
  6. Step 6: Final answer
    x = 62,108.53

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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.