Home / 64,760.11-89,362.50-47,773.57

Finding the Fourth Proportional to 64,760.11, 89,362.50 and 47,773.57

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Solution

The fourth proportional to 64,760.11, 89,362.50 and 47,773.57 is: 65,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.11 : 89,362.50 = 47,773.57 : x
  2. Step 2: Convert to fraction form
    64,760.11/89,362.50 = 47,773.57/x
  3. Step 3: Cross multiply
    64,760.11x = 89,362.50 × 47,773.57
  4. Step 4: Simplify right side
    64,760.11x = 4,269,165,649.13
  5. Step 5: Solve for x
    x = 4,269,165,649.13/64,760.11
  6. Step 6: Final answer
    x = 65,922.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.