Home / 48,740.70-73,111.05-45,533.10

Finding the Fourth Proportional to 48,740.70, 73,111.05 and 45,533.10

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Solution

The fourth proportional to 48,740.70, 73,111.05 and 45,533.10 is: 68,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740.70 : 73,111.05 = 45,533.10 : x
  2. Step 2: Convert to fraction form
    48,740.70/73,111.05 = 45,533.10/x
  3. Step 3: Cross multiply
    48,740.70x = 73,111.05 × 45,533.10
  4. Step 4: Simplify right side
    48,740.70x = 3,328,972,750.76
  5. Step 5: Solve for x
    x = 3,328,972,750.76/48,740.70
  6. Step 6: Final answer
    x = 68,299.65

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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.