Home / 93,719.16-129,334.31-51,278.60

Finding the Fourth Proportional to 93,719.16, 129,334.31 and 51,278.60

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Solution

The fourth proportional to 93,719.16, 129,334.31 and 51,278.60 is: 70,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,719.16 : 129,334.31 = 51,278.60 : x
  2. Step 2: Convert to fraction form
    93,719.16/129,334.31 = 51,278.60/x
  3. Step 3: Cross multiply
    93,719.16x = 129,334.31 × 51,278.60
  4. Step 4: Simplify right side
    93,719.16x = 6,632,081,445.70
  5. Step 5: Solve for x
    x = 6,632,081,445.70/93,719.16
  6. Step 6: Final answer
    x = 70,765.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.