Home / 89,589.03-123,607.22-57,776.19

Finding the Fourth Proportional to 89,589.03, 123,607.22 and 57,776.19

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Solution

The fourth proportional to 89,589.03, 123,607.22 and 57,776.19 is: 79,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,589.03 : 123,607.22 = 57,776.19 : x
  2. Step 2: Convert to fraction form
    89,589.03/123,607.22 = 57,776.19/x
  3. Step 3: Cross multiply
    89,589.03x = 123,607.22 × 57,776.19
  4. Step 4: Simplify right side
    89,589.03x = 7,141,553,939.21
  5. Step 5: Solve for x
    x = 7,141,553,939.21/89,589.03
  6. Step 6: Final answer
    x = 79,714.60

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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.