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Finding the Fourth Proportional to 92,767.48, 128,010.66 and 52,484.92

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Solution

The fourth proportional to 92,767.48, 128,010.66 and 52,484.92 is: 72,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,767.48 : 128,010.66 = 52,484.92 : x
  2. Step 2: Convert to fraction form
    92,767.48/128,010.66 = 52,484.92/x
  3. Step 3: Cross multiply
    92,767.48x = 128,010.66 × 52,484.92
  4. Step 4: Simplify right side
    92,767.48x = 6,718,629,249.25
  5. Step 5: Solve for x
    x = 6,718,629,249.25/92,767.48
  6. Step 6: Final answer
    x = 72,424.40

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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.