Home / 89,734.32-134,577.18-45,386.82

Finding the Fourth Proportional to 89,734.32, 134,577.18 and 45,386.82

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Solution

The fourth proportional to 89,734.32, 134,577.18 and 45,386.82 is: 68,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,734.32 : 134,577.18 = 45,386.82 : x
  2. Step 2: Convert to fraction form
    89,734.32/134,577.18 = 45,386.82/x
  3. Step 3: Cross multiply
    89,734.32x = 134,577.18 × 45,386.82
  4. Step 4: Simplify right side
    89,734.32x = 6,108,030,244.77
  5. Step 5: Solve for x
    x = 6,108,030,244.77/89,734.32
  6. Step 6: Final answer
    x = 68,067.94

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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.