Home / 92,818.78-128,090.04-50,377.32

Finding the Fourth Proportional to 92,818.78, 128,090.04 and 50,377.32

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Solution

The fourth proportional to 92,818.78, 128,090.04 and 50,377.32 is: 69,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.78 : 128,090.04 = 50,377.32 : x
  2. Step 2: Convert to fraction form
    92,818.78/128,090.04 = 50,377.32/x
  3. Step 3: Cross multiply
    92,818.78x = 128,090.04 × 50,377.32
  4. Step 4: Simplify right side
    92,818.78x = 6,452,832,933.89
  5. Step 5: Solve for x
    x = 6,452,832,933.89/92,818.78
  6. Step 6: Final answer
    x = 69,520.77

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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.