Home / 124,903.27-172,370.63-68,314.64

Finding the Fourth Proportional to 124,903.27, 172,370.63 and 68,314.64

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Solution

The fourth proportional to 124,903.27, 172,370.63 and 68,314.64 is: 94,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.27 : 172,370.63 = 68,314.64 : x
  2. Step 2: Convert to fraction form
    124,903.27/172,370.63 = 68,314.64/x
  3. Step 3: Cross multiply
    124,903.27x = 172,370.63 × 68,314.64
  4. Step 4: Simplify right side
    124,903.27x = 11,775,437,813.54
  5. Step 5: Solve for x
    x = 11,775,437,813.54/124,903.27
  6. Step 6: Final answer
    x = 94,276.46

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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.