Home / 93,120.15-139,679.47-61,670.96

Finding the Fourth Proportional to 93,120.15, 139,679.47 and 61,670.96

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Solution

The fourth proportional to 93,120.15, 139,679.47 and 61,670.96 is: 92,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,120.15 : 139,679.47 = 61,670.96 : x
  2. Step 2: Convert to fraction form
    93,120.15/139,679.47 = 61,670.96/x
  3. Step 3: Cross multiply
    93,120.15x = 139,679.47 × 61,670.96
  4. Step 4: Simplify right side
    93,120.15x = 8,614,167,007.19
  5. Step 5: Solve for x
    x = 8,614,167,007.19/93,120.15
  6. Step 6: Final answer
    x = 92,505.94

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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.