Home / 93,844.58-129,564.35-72,293.76

Finding the Fourth Proportional to 93,844.58, 129,564.35 and 72,293.76

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Solution

The fourth proportional to 93,844.58, 129,564.35 and 72,293.76 is: 99,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,844.58 : 129,564.35 = 72,293.76 : x
  2. Step 2: Convert to fraction form
    93,844.58/129,564.35 = 72,293.76/x
  3. Step 3: Cross multiply
    93,844.58x = 129,564.35 × 72,293.76
  4. Step 4: Simplify right side
    93,844.58x = 9,366,694,023.46
  5. Step 5: Solve for x
    x = 9,366,694,023.46/93,844.58
  6. Step 6: Final answer
    x = 99,810.71

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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.