Home / 89,628.66-134,447.85-45,203.40

Finding the Fourth Proportional to 89,628.66, 134,447.85 and 45,203.40

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Solution

The fourth proportional to 89,628.66, 134,447.85 and 45,203.40 is: 67,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.66 : 134,447.85 = 45,203.40 : x
  2. Step 2: Convert to fraction form
    89,628.66/134,447.85 = 45,203.40/x
  3. Step 3: Cross multiply
    89,628.66x = 134,447.85 × 45,203.40
  4. Step 4: Simplify right side
    89,628.66x = 6,077,499,942.69
  5. Step 5: Solve for x
    x = 6,077,499,942.69/89,628.66
  6. Step 6: Final answer
    x = 67,807.55

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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.