Home / 89,485.61-134,228.45-26,305.74

Finding the Fourth Proportional to 89,485.61, 134,228.45 and 26,305.74

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Solution

The fourth proportional to 89,485.61, 134,228.45 and 26,305.74 is: 39,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485.61 : 134,228.45 = 26,305.74 : x
  2. Step 2: Convert to fraction form
    89,485.61/134,228.45 = 26,305.74/x
  3. Step 3: Cross multiply
    89,485.61x = 134,228.45 × 26,305.74
  4. Step 4: Simplify right side
    89,485.61x = 3,530,978,706.30
  5. Step 5: Solve for x
    x = 3,530,978,706.30/89,485.61
  6. Step 6: Final answer
    x = 39,458.62

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1.5x scale

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.