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Finding the Fourth Proportional to 92,477.06, 138,721.80 and 32,498.24

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Solution

The fourth proportional to 92,477.06, 138,721.80 and 32,498.24 is: 48,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,477.06 : 138,721.80 = 32,498.24 : x
  2. Step 2: Convert to fraction form
    92,477.06/138,721.80 = 32,498.24/x
  3. Step 3: Cross multiply
    92,477.06x = 138,721.80 × 32,498.24
  4. Step 4: Simplify right side
    92,477.06x = 4,508,214,349.63
  5. Step 5: Solve for x
    x = 4,508,214,349.63/92,477.06
  6. Step 6: Final answer
    x = 48,749.54

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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.