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Finding the Fourth Proportional to 92,403.33, 138,605.01 and 32,478.84

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Solution

The fourth proportional to 92,403.33, 138,605.01 and 32,478.84 is: 48,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,403.33 : 138,605.01 = 32,478.84 : x
  2. Step 2: Convert to fraction form
    92,403.33/138,605.01 = 32,478.84/x
  3. Step 3: Cross multiply
    92,403.33x = 138,605.01 × 32,478.84
  4. Step 4: Simplify right side
    92,403.33x = 4,501,729,821.19
  5. Step 5: Solve for x
    x = 4,501,729,821.19/92,403.33
  6. Step 6: Final answer
    x = 48,718.26

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1.5x scale

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.