Home / 89,768.78-134,657.12-26,586.35

Finding the Fourth Proportional to 89,768.78, 134,657.12 and 26,586.35

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Solution

The fourth proportional to 89,768.78, 134,657.12 and 26,586.35 is: 39,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,768.78 : 134,657.12 = 26,586.35 : x
  2. Step 2: Convert to fraction form
    89,768.78/134,657.12 = 26,586.35/x
  3. Step 3: Cross multiply
    89,768.78x = 134,657.12 × 26,586.35
  4. Step 4: Simplify right side
    89,768.78x = 3,580,041,322.31
  5. Step 5: Solve for x
    x = 3,580,041,322.31/89,768.78
  6. Step 6: Final answer
    x = 39,880.69

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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.