Home / 64,521.96-89,040.24-36,227.76

Finding the Fourth Proportional to 64,521.96, 89,040.24 and 36,227.76

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Solution

The fourth proportional to 64,521.96, 89,040.24 and 36,227.76 is: 49,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.96 : 89,040.24 = 36,227.76 : x
  2. Step 2: Convert to fraction form
    64,521.96/89,040.24 = 36,227.76/x
  3. Step 3: Cross multiply
    64,521.96x = 89,040.24 × 36,227.76
  4. Step 4: Simplify right side
    64,521.96x = 3,225,728,445.06
  5. Step 5: Solve for x
    x = 3,225,728,445.06/64,521.96
  6. Step 6: Final answer
    x = 49,994.27

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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.