Home / 89,795.34-134,777.75-45,453.92

Finding the Fourth Proportional to 89,795.34, 134,777.75 and 45,453.92

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Solution

The fourth proportional to 89,795.34, 134,777.75 and 45,453.92 is: 68,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,795.34 : 134,777.75 = 45,453.92 : x
  2. Step 2: Convert to fraction form
    89,795.34/134,777.75 = 45,453.92/x
  3. Step 3: Cross multiply
    89,795.34x = 134,777.75 × 45,453.92
  4. Step 4: Simplify right side
    89,795.34x = 6,126,176,165.12
  5. Step 5: Solve for x
    x = 6,126,176,165.12/89,795.34
  6. Step 6: Final answer
    x = 68,223.76

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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.