Home / 92,536.32-138,643.20-55,518.72

Finding the Fourth Proportional to 92,536.32, 138,643.20 and 55,518.72

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Solution

The fourth proportional to 92,536.32, 138,643.20 and 55,518.72 is: 83,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,536.32 : 138,643.20 = 55,518.72 : x
  2. Step 2: Convert to fraction form
    92,536.32/138,643.20 = 55,518.72/x
  3. Step 3: Cross multiply
    92,536.32x = 138,643.20 × 55,518.72
  4. Step 4: Simplify right side
    92,536.32x = 7,697,293,000.70
  5. Step 5: Solve for x
    x = 7,697,293,000.70/92,536.32
  6. Step 6: Final answer
    x = 83,181.32

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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.