Home / 66,781.15-92,155.12-36,565.92

Finding the Fourth Proportional to 66,781.15, 92,155.12 and 36,565.92

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Solution

The fourth proportional to 66,781.15, 92,155.12 and 36,565.92 is: 50,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,781.15 : 92,155.12 = 36,565.92 : x
  2. Step 2: Convert to fraction form
    66,781.15/92,155.12 = 36,565.92/x
  3. Step 3: Cross multiply
    66,781.15x = 92,155.12 × 36,565.92
  4. Step 4: Simplify right side
    66,781.15x = 3,369,736,745.51
  5. Step 5: Solve for x
    x = 3,369,736,745.51/66,781.15
  6. Step 6: Final answer
    x = 50,459.40

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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.