Home / 92,162.21-138,066.15-56,519.57

Finding the Fourth Proportional to 92,162.21, 138,066.15 and 56,519.57

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Solution

The fourth proportional to 92,162.21, 138,066.15 and 56,519.57 is: 84,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,162.21 : 138,066.15 = 56,519.57 : x
  2. Step 2: Convert to fraction form
    92,162.21/138,066.15 = 56,519.57/x
  3. Step 3: Cross multiply
    92,162.21x = 138,066.15 × 56,519.57
  4. Step 4: Simplify right side
    92,162.21x = 7,803,439,986.67
  5. Step 5: Solve for x
    x = 7,803,439,986.67/92,162.21
  6. Step 6: Final answer
    x = 84,670.72

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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.