Home / 64,712.24-89,285.45-37,861.35

Finding the Fourth Proportional to 64,712.24, 89,285.45 and 37,861.35

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Solution

The fourth proportional to 64,712.24, 89,285.45 and 37,861.35 is: 52,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712.24 : 89,285.45 = 37,861.35 : x
  2. Step 2: Convert to fraction form
    64,712.24/89,285.45 = 37,861.35/x
  3. Step 3: Cross multiply
    64,712.24x = 89,285.45 × 37,861.35
  4. Step 4: Simplify right side
    64,712.24x = 3,380,467,672.36
  5. Step 5: Solve for x
    x = 3,380,467,672.36/64,712.24
  6. Step 6: Final answer
    x = 52,238.46

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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.