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Finding the Fourth Proportional to 92,675.34, 139,023.81 and 33,538.86

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Solution

The fourth proportional to 92,675.34, 139,023.81 and 33,538.86 is: 50,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675.34 : 139,023.81 = 33,538.86 : x
  2. Step 2: Convert to fraction form
    92,675.34/139,023.81 = 33,538.86/x
  3. Step 3: Cross multiply
    92,675.34x = 139,023.81 × 33,538.86
  4. Step 4: Simplify right side
    92,675.34x = 4,662,700,100.26
  5. Step 5: Solve for x
    x = 4,662,700,100.26/92,675.34
  6. Step 6: Final answer
    x = 50,312.20

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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.