Home / 92,982.95-128,349.38-55,256.75

Finding the Fourth Proportional to 92,982.95, 128,349.38 and 55,256.75

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Solution

The fourth proportional to 92,982.95, 128,349.38 and 55,256.75 is: 76,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,982.95 : 128,349.38 = 55,256.75 : x
  2. Step 2: Convert to fraction form
    92,982.95/128,349.38 = 55,256.75/x
  3. Step 3: Cross multiply
    92,982.95x = 128,349.38 × 55,256.75
  4. Step 4: Simplify right side
    92,982.95x = 7,092,169,327.03
  5. Step 5: Solve for x
    x = 7,092,169,327.03/92,982.95
  6. Step 6: Final answer
    x = 76,273.87

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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.