Home / 89,301.40-133,952.09-26,971.90

Finding the Fourth Proportional to 89,301.40, 133,952.09 and 26,971.90

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Solution

The fourth proportional to 89,301.40, 133,952.09 and 26,971.90 is: 40,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,301.40 : 133,952.09 = 26,971.90 : x
  2. Step 2: Convert to fraction form
    89,301.40/133,952.09 = 26,971.90/x
  3. Step 3: Cross multiply
    89,301.40x = 133,952.09 × 26,971.90
  4. Step 4: Simplify right side
    89,301.40x = 3,612,942,376.27
  5. Step 5: Solve for x
    x = 3,612,942,376.27/89,301.40
  6. Step 6: Final answer
    x = 40,457.85

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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.