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Finding the Fourth Proportional to 92,885.93, 139,284.96 and 35,986.47

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Solution

The fourth proportional to 92,885.93, 139,284.96 and 35,986.47 is: 53,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,885.93 : 139,284.96 = 35,986.47 : x
  2. Step 2: Convert to fraction form
    92,885.93/139,284.96 = 35,986.47/x
  3. Step 3: Cross multiply
    92,885.93x = 139,284.96 × 35,986.47
  4. Step 4: Simplify right side
    92,885.93x = 5,012,374,034.49
  5. Step 5: Solve for x
    x = 5,012,374,034.49/92,885.93
  6. Step 6: Final answer
    x = 53,962.69

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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.