Home / 103,059.44-142,226.10-57,737.79

Finding the Fourth Proportional to 103,059.44, 142,226.10 and 57,737.79

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Solution

The fourth proportional to 103,059.44, 142,226.10 and 57,737.79 is: 79,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,059.44 : 142,226.10 = 57,737.79 : x
  2. Step 2: Convert to fraction form
    103,059.44/142,226.10 = 57,737.79/x
  3. Step 3: Cross multiply
    103,059.44x = 142,226.10 × 57,737.79
  4. Step 4: Simplify right side
    103,059.44x = 8,211,820,694.32
  5. Step 5: Solve for x
    x = 8,211,820,694.32/103,059.44
  6. Step 6: Final answer
    x = 79,680.44

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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.