Home / 92,829.72-128,101.32-50,387.52

Finding the Fourth Proportional to 92,829.72, 128,101.32 and 50,387.52

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Solution

The fourth proportional to 92,829.72, 128,101.32 and 50,387.52 is: 69,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.72 : 128,101.32 = 50,387.52 : x
  2. Step 2: Convert to fraction form
    92,829.72/128,101.32 = 50,387.52/x
  3. Step 3: Cross multiply
    92,829.72x = 128,101.32 × 50,387.52
  4. Step 4: Simplify right side
    92,829.72x = 6,454,707,823.53
  5. Step 5: Solve for x
    x = 6,454,707,823.53/92,829.72
  6. Step 6: Final answer
    x = 69,532.77

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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.