Home / 112,037.50-154,614.99-61,739.74

Finding the Fourth Proportional to 112,037.50, 154,614.99 and 61,739.74

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Solution

The fourth proportional to 112,037.50, 154,614.99 and 61,739.74 is: 85,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.50 : 154,614.99 = 61,739.74 : x
  2. Step 2: Convert to fraction form
    112,037.50/154,614.99 = 61,739.74/x
  3. Step 3: Cross multiply
    112,037.50x = 154,614.99 × 61,739.74
  4. Step 4: Simplify right side
    112,037.50x = 9,545,889,282.70
  5. Step 5: Solve for x
    x = 9,545,889,282.70/112,037.50
  6. Step 6: Final answer
    x = 85,202.63

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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.