Home / 61,156.45-91,723.07-19,037.05

Finding the Fourth Proportional to 61,156.45, 91,723.07 and 19,037.05

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Solution

The fourth proportional to 61,156.45, 91,723.07 and 19,037.05 is: 28,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,156.45 : 91,723.07 = 19,037.05 : x
  2. Step 2: Convert to fraction form
    61,156.45/91,723.07 = 19,037.05/x
  3. Step 3: Cross multiply
    61,156.45x = 91,723.07 × 19,037.05
  4. Step 4: Simplify right side
    61,156.45x = 1,746,136,574.56
  5. Step 5: Solve for x
    x = 1,746,136,574.56/61,156.45
  6. Step 6: Final answer
    x = 28,551.96

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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.