Home / 96,685.92-133,337.34-64,438.65

Finding the Fourth Proportional to 96,685.92, 133,337.34 and 64,438.65

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Solution

The fourth proportional to 96,685.92, 133,337.34 and 64,438.65 is: 88,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,685.92 : 133,337.34 = 64,438.65 : x
  2. Step 2: Convert to fraction form
    96,685.92/133,337.34 = 64,438.65/x
  3. Step 3: Cross multiply
    96,685.92x = 133,337.34 × 64,438.65
  4. Step 4: Simplify right side
    96,685.92x = 8,592,078,184.19
  5. Step 5: Solve for x
    x = 8,592,078,184.19/96,685.92
  6. Step 6: Final answer
    x = 88,865.87

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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.