Home / 113,611.70-156,777.81-62,614.46

Finding the Fourth Proportional to 113,611.70, 156,777.81 and 62,614.46

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Solution

The fourth proportional to 113,611.70, 156,777.81 and 62,614.46 is: 86,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,611.70 : 156,777.81 = 62,614.46 : x
  2. Step 2: Convert to fraction form
    113,611.70/156,777.81 = 62,614.46/x
  3. Step 3: Cross multiply
    113,611.70x = 156,777.81 × 62,614.46
  4. Step 4: Simplify right side
    113,611.70x = 9,816,557,913.13
  5. Step 5: Solve for x
    x = 9,816,557,913.13/113,611.70
  6. Step 6: Final answer
    x = 86,404.46

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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.