Home / 93,920.56-140,875.36-30,781.87

Finding the Fourth Proportional to 93,920.56, 140,875.36 and 30,781.87

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Solution

The fourth proportional to 93,920.56, 140,875.36 and 30,781.87 is: 46,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,920.56 : 140,875.36 = 30,781.87 : x
  2. Step 2: Convert to fraction form
    93,920.56/140,875.36 = 30,781.87/x
  3. Step 3: Cross multiply
    93,920.56x = 140,875.36 × 30,781.87
  4. Step 4: Simplify right side
    93,920.56x = 4,336,407,017.72
  5. Step 5: Solve for x
    x = 4,336,407,017.72/93,920.56
  6. Step 6: Final answer
    x = 46,171.01

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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.