Home / 93,955.09-140,784.81-72,659.93

Finding the Fourth Proportional to 93,955.09, 140,784.81 and 72,659.93

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Solution

The fourth proportional to 93,955.09, 140,784.81 and 72,659.93 is: 108,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,955.09 : 140,784.81 = 72,659.93 : x
  2. Step 2: Convert to fraction form
    93,955.09/140,784.81 = 72,659.93/x
  3. Step 3: Cross multiply
    93,955.09x = 140,784.81 × 72,659.93
  4. Step 4: Simplify right side
    93,955.09x = 10,229,414,439.66
  5. Step 5: Solve for x
    x = 10,229,414,439.66/93,955.09
  6. Step 6: Final answer
    x = 108,875.58

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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.