Home / 89,669.05-134,586.50-45,326.72

Finding the Fourth Proportional to 89,669.05, 134,586.50 and 45,326.72

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Solution

The fourth proportional to 89,669.05, 134,586.50 and 45,326.72 is: 68,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,669.05 : 134,586.50 = 45,326.72 : x
  2. Step 2: Convert to fraction form
    89,669.05/134,586.50 = 45,326.72/x
  3. Step 3: Cross multiply
    89,669.05x = 134,586.50 × 45,326.72
  4. Step 4: Simplify right side
    89,669.05x = 6,100,364,711.11
  5. Step 5: Solve for x
    x = 6,100,364,711.11/89,669.05
  6. Step 6: Final answer
    x = 68,032.00

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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.