Home / 89,398.05-123,394.14-51,179.01

Finding the Fourth Proportional to 89,398.05, 123,394.14 and 51,179.01

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Solution

The fourth proportional to 89,398.05, 123,394.14 and 51,179.01 is: 70,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.05 : 123,394.14 = 51,179.01 : x
  2. Step 2: Convert to fraction form
    89,398.05/123,394.14 = 51,179.01/x
  3. Step 3: Cross multiply
    89,398.05x = 123,394.14 × 51,179.01
  4. Step 4: Simplify right side
    89,398.05x = 6,315,189,925.00
  5. Step 5: Solve for x
    x = 6,315,189,925.00/89,398.05
  6. Step 6: Final answer
    x = 70,641.25

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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.