Home / 89,686.86-134,464.68-30,506.64

Finding the Fourth Proportional to 89,686.86, 134,464.68 and 30,506.64

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Solution

The fourth proportional to 89,686.86, 134,464.68 and 30,506.64 is: 45,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,686.86 : 134,464.68 = 30,506.64 : x
  2. Step 2: Convert to fraction form
    89,686.86/134,464.68 = 30,506.64/x
  3. Step 3: Cross multiply
    89,686.86x = 134,464.68 × 30,506.64
  4. Step 4: Simplify right side
    89,686.86x = 4,102,065,585.48
  5. Step 5: Solve for x
    x = 4,102,065,585.48/89,686.86
  6. Step 6: Final answer
    x = 45,737.64

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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.