Home / 85,159.09-127,738.64-32,584.69

Finding the Fourth Proportional to 85,159.09, 127,738.64 and 32,584.69

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Solution

The fourth proportional to 85,159.09, 127,738.64 and 32,584.69 is: 48,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.09 : 127,738.64 = 32,584.69 : x
  2. Step 2: Convert to fraction form
    85,159.09/127,738.64 = 32,584.69/x
  3. Step 3: Cross multiply
    85,159.09x = 127,738.64 × 32,584.69
  4. Step 4: Simplify right side
    85,159.09x = 4,162,323,985.42
  5. Step 5: Solve for x
    x = 4,162,323,985.42/85,159.09
  6. Step 6: Final answer
    x = 48,877.04

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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.