Home / 89,626.32-134,356.36-39,679.76

Finding the Fourth Proportional to 89,626.32, 134,356.36 and 39,679.76

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Solution

The fourth proportional to 89,626.32, 134,356.36 and 39,679.76 is: 59,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,626.32 : 134,356.36 = 39,679.76 : x
  2. Step 2: Convert to fraction form
    89,626.32/134,356.36 = 39,679.76/x
  3. Step 3: Cross multiply
    89,626.32x = 134,356.36 × 39,679.76
  4. Step 4: Simplify right side
    89,626.32x = 5,331,228,119.27
  5. Step 5: Solve for x
    x = 5,331,228,119.27/89,626.32
  6. Step 6: Final answer
    x = 59,482.84

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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.