Home / 85,021.40-127,580.70-32,468.60

Finding the Fourth Proportional to 85,021.40, 127,580.70 and 32,468.60

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Solution

The fourth proportional to 85,021.40, 127,580.70 and 32,468.60 is: 48,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,021.40 : 127,580.70 = 32,468.60 : x
  2. Step 2: Convert to fraction form
    85,021.40/127,580.70 = 32,468.60/x
  3. Step 3: Cross multiply
    85,021.40x = 127,580.70 × 32,468.60
  4. Step 4: Simplify right side
    85,021.40x = 4,142,366,716.02
  5. Step 5: Solve for x
    x = 4,142,366,716.02/85,021.40
  6. Step 6: Final answer
    x = 48,721.46

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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.