Home / 54,136.19-81,505.15-46,902.69

Finding the Fourth Proportional to 54,136.19, 81,505.15 and 46,902.69

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Solution

The fourth proportional to 54,136.19, 81,505.15 and 46,902.69 is: 70,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.19 : 81,505.15 = 46,902.69 : x
  2. Step 2: Convert to fraction form
    54,136.19/81,505.15 = 46,902.69/x
  3. Step 3: Cross multiply
    54,136.19x = 81,505.15 × 46,902.69
  4. Step 4: Simplify right side
    54,136.19x = 3,822,810,783.85
  5. Step 5: Solve for x
    x = 3,822,810,783.85/54,136.19
  6. Step 6: Final answer
    x = 70,614.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.