Home / 85,330.54-128,012.28-32,735.92

Finding the Fourth Proportional to 85,330.54, 128,012.28 and 32,735.92

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Solution

The fourth proportional to 85,330.54, 128,012.28 and 32,735.92 is: 49,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.54 : 128,012.28 = 32,735.92 : x
  2. Step 2: Convert to fraction form
    85,330.54/128,012.28 = 32,735.92/x
  3. Step 3: Cross multiply
    85,330.54x = 128,012.28 × 32,735.92
  4. Step 4: Simplify right side
    85,330.54x = 4,190,599,117.04
  5. Step 5: Solve for x
    x = 4,190,599,117.04/85,330.54
  6. Step 6: Final answer
    x = 49,110.19

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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.