Home / 89,607.56-134,430.78-27,276.44

Finding the Fourth Proportional to 89,607.56, 134,430.78 and 27,276.44

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Solution

The fourth proportional to 89,607.56, 134,430.78 and 27,276.44 is: 40,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,607.56 : 134,430.78 = 27,276.44 : x
  2. Step 2: Convert to fraction form
    89,607.56/134,430.78 = 27,276.44/x
  3. Step 3: Cross multiply
    89,607.56x = 134,430.78 × 27,276.44
  4. Step 4: Simplify right side
    89,607.56x = 3,666,792,700.56
  5. Step 5: Solve for x
    x = 3,666,792,700.56/89,607.56
  6. Step 6: Final answer
    x = 40,920.57

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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.