Home / 66,906.23-92,330.35-36,690.77

Finding the Fourth Proportional to 66,906.23, 92,330.35 and 36,690.77

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Solution

The fourth proportional to 66,906.23, 92,330.35 and 36,690.77 is: 50,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.23 : 92,330.35 = 36,690.77 : x
  2. Step 2: Convert to fraction form
    66,906.23/92,330.35 = 36,690.77/x
  3. Step 3: Cross multiply
    66,906.23x = 92,330.35 × 36,690.77
  4. Step 4: Simplify right side
    66,906.23x = 3,387,671,774.97
  5. Step 5: Solve for x
    x = 3,387,671,774.97/66,906.23
  6. Step 6: Final answer
    x = 50,633.13

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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.