Home / 93,091.14-139,670.55-45,701.25

Finding the Fourth Proportional to 93,091.14, 139,670.55 and 45,701.25

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Solution

The fourth proportional to 93,091.14, 139,670.55 and 45,701.25 is: 68,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,091.14 : 139,670.55 = 45,701.25 : x
  2. Step 2: Convert to fraction form
    93,091.14/139,670.55 = 45,701.25/x
  3. Step 3: Cross multiply
    93,091.14x = 139,670.55 × 45,701.25
  4. Step 4: Simplify right side
    93,091.14x = 6,383,118,723.19
  5. Step 5: Solve for x
    x = 6,383,118,723.19/93,091.14
  6. Step 6: Final answer
    x = 68,568.49

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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.