Home / 89,022.41-122,934.20-57,246.51

Finding the Fourth Proportional to 89,022.41, 122,934.20 and 57,246.51

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Solution

The fourth proportional to 89,022.41, 122,934.20 and 57,246.51 is: 79,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,022.41 : 122,934.20 = 57,246.51 : x
  2. Step 2: Convert to fraction form
    89,022.41/122,934.20 = 57,246.51/x
  3. Step 3: Cross multiply
    89,022.41x = 122,934.20 × 57,246.51
  4. Step 4: Simplify right side
    89,022.41x = 7,037,553,909.64
  5. Step 5: Solve for x
    x = 7,037,553,909.64/89,022.41
  6. Step 6: Final answer
    x = 79,053.73

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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.