Home / 92,972.86-128,301.87-50,531.39

Finding the Fourth Proportional to 92,972.86, 128,301.87 and 50,531.39

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Solution

The fourth proportional to 92,972.86, 128,301.87 and 50,531.39 is: 69,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.86 : 128,301.87 = 50,531.39 : x
  2. Step 2: Convert to fraction form
    92,972.86/128,301.87 = 50,531.39/x
  3. Step 3: Cross multiply
    92,972.86x = 128,301.87 × 50,531.39
  4. Step 4: Simplify right side
    92,972.86x = 6,483,272,581.51
  5. Step 5: Solve for x
    x = 6,483,272,581.51/92,972.86
  6. Step 6: Final answer
    x = 69,732.96

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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.