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Finding the Fourth Proportional to 85,160.34, 127,740.51 and 32,585.94

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Solution

The fourth proportional to 85,160.34, 127,740.51 and 32,585.94 is: 48,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,160.34 : 127,740.51 = 32,585.94 : x
  2. Step 2: Convert to fraction form
    85,160.34/127,740.51 = 32,585.94/x
  3. Step 3: Cross multiply
    85,160.34x = 127,740.51 × 32,585.94
  4. Step 4: Simplify right side
    85,160.34x = 4,162,544,594.43
  5. Step 5: Solve for x
    x = 4,162,544,594.43/85,160.34
  6. Step 6: Final answer
    x = 48,878.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.