Home / 64,828.15-89,439.59-37,960.85

Finding the Fourth Proportional to 64,828.15, 89,439.59 and 37,960.85

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Solution

The fourth proportional to 64,828.15, 89,439.59 and 37,960.85 is: 52,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.15 : 89,439.59 = 37,960.85 : x
  2. Step 2: Convert to fraction form
    64,828.15/89,439.59 = 37,960.85/x
  3. Step 3: Cross multiply
    64,828.15x = 89,439.59 × 37,960.85
  4. Step 4: Simplify right side
    64,828.15x = 3,395,202,670.25
  5. Step 5: Solve for x
    x = 3,395,202,670.25/64,828.15
  6. Step 6: Final answer
    x = 52,372.36

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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.