Home / 124,568.68-171,903.54-67,979.56

Finding the Fourth Proportional to 124,568.68, 171,903.54 and 67,979.56

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Solution

The fourth proportional to 124,568.68, 171,903.54 and 67,979.56 is: 93,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,568.68 : 171,903.54 = 67,979.56 : x
  2. Step 2: Convert to fraction form
    124,568.68/171,903.54 = 67,979.56/x
  3. Step 3: Cross multiply
    124,568.68x = 171,903.54 × 67,979.56
  4. Step 4: Simplify right side
    124,568.68x = 11,685,927,011.64
  5. Step 5: Solve for x
    x = 11,685,927,011.64/124,568.68
  6. Step 6: Final answer
    x = 93,811.12

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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.