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Finding the Fourth Proportional to 92,876.60, 128,167.34 and 52,600.26

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Solution

The fourth proportional to 92,876.60, 128,167.34 and 52,600.26 is: 72,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,876.60 : 128,167.34 = 52,600.26 : x
  2. Step 2: Convert to fraction form
    92,876.60/128,167.34 = 52,600.26/x
  3. Step 3: Cross multiply
    92,876.60x = 128,167.34 × 52,600.26
  4. Step 4: Simplify right side
    92,876.60x = 6,741,635,407.51
  5. Step 5: Solve for x
    x = 6,741,635,407.51/92,876.60
  6. Step 6: Final answer
    x = 72,587.02

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1.5x scale

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.