Home / 64,516.96-89,033.34-36,222.76

Finding the Fourth Proportional to 64,516.96, 89,033.34 and 36,222.76

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Solution

The fourth proportional to 64,516.96, 89,033.34 and 36,222.76 is: 49,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516.96 : 89,033.34 = 36,222.76 : x
  2. Step 2: Convert to fraction form
    64,516.96/89,033.34 = 36,222.76/x
  3. Step 3: Cross multiply
    64,516.96x = 89,033.34 × 36,222.76
  4. Step 4: Simplify right side
    64,516.96x = 3,225,033,306.82
  5. Step 5: Solve for x
    x = 3,225,033,306.82/64,516.96
  6. Step 6: Final answer
    x = 49,987.37

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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.