Home / 93,507.12-129,180.96-61,318.56

Finding the Fourth Proportional to 93,507.12, 129,180.96 and 61,318.56

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Solution

The fourth proportional to 93,507.12, 129,180.96 and 61,318.56 is: 84,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,507.12 : 129,180.96 = 61,318.56 : x
  2. Step 2: Convert to fraction form
    93,507.12/129,180.96 = 61,318.56/x
  3. Step 3: Cross multiply
    93,507.12x = 129,180.96 × 61,318.56
  4. Step 4: Simplify right side
    93,507.12x = 7,921,190,446.62
  5. Step 5: Solve for x
    x = 7,921,190,446.62/93,507.12
  6. Step 6: Final answer
    x = 84,712.16

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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.