Home / 89,767.41-134,690.09-48,165.81

Finding the Fourth Proportional to 89,767.41, 134,690.09 and 48,165.81

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Solution

The fourth proportional to 89,767.41, 134,690.09 and 48,165.81 is: 72,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,767.41 : 134,690.09 = 48,165.81 : x
  2. Step 2: Convert to fraction form
    89,767.41/134,690.09 = 48,165.81/x
  3. Step 3: Cross multiply
    89,767.41x = 134,690.09 × 48,165.81
  4. Step 4: Simplify right side
    89,767.41x = 6,487,457,283.82
  5. Step 5: Solve for x
    x = 6,487,457,283.82/89,767.41
  6. Step 6: Final answer
    x = 72,269.63

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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.