Home / 89,667.36-134,603.10-45,344.16

Finding the Fourth Proportional to 89,667.36, 134,603.10 and 45,344.16

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Solution

The fourth proportional to 89,667.36, 134,603.10 and 45,344.16 is: 68,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,667.36 : 134,603.10 = 45,344.16 : x
  2. Step 2: Convert to fraction form
    89,667.36/134,603.10 = 45,344.16/x
  3. Step 3: Cross multiply
    89,667.36x = 134,603.10 × 45,344.16
  4. Step 4: Simplify right side
    89,667.36x = 6,103,464,502.90
  5. Step 5: Solve for x
    x = 6,103,464,502.90/89,667.36
  6. Step 6: Final answer
    x = 68,067.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.