Home / 89,983.14-124,171.29-54,184.74

Finding the Fourth Proportional to 89,983.14, 124,171.29 and 54,184.74

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Solution

The fourth proportional to 89,983.14, 124,171.29 and 54,184.74 is: 74,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.14 : 124,171.29 = 54,184.74 : x
  2. Step 2: Convert to fraction form
    89,983.14/124,171.29 = 54,184.74/x
  3. Step 3: Cross multiply
    89,983.14x = 124,171.29 × 54,184.74
  4. Step 4: Simplify right side
    89,983.14x = 6,728,189,064.11
  5. Step 5: Solve for x
    x = 6,728,189,064.11/89,983.14
  6. Step 6: Final answer
    x = 74,771.66

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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.