Home / 93,358.72-139,984.32-40,743.04

Finding the Fourth Proportional to 93,358.72, 139,984.32 and 40,743.04

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Solution

The fourth proportional to 93,358.72, 139,984.32 and 40,743.04 is: 61,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,358.72 : 139,984.32 = 40,743.04 : x
  2. Step 2: Convert to fraction form
    93,358.72/139,984.32 = 40,743.04/x
  3. Step 3: Cross multiply
    93,358.72x = 139,984.32 × 40,743.04
  4. Step 4: Simplify right side
    93,358.72x = 5,703,386,749.13
  5. Step 5: Solve for x
    x = 5,703,386,749.13/93,358.72
  6. Step 6: Final answer
    x = 61,091.10

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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.