Home / 124,823.92-172,259.76-68,235.32

Finding the Fourth Proportional to 124,823.92, 172,259.76 and 68,235.32

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Solution

The fourth proportional to 124,823.92, 172,259.76 and 68,235.32 is: 94,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.92 : 172,259.76 = 68,235.32 : x
  2. Step 2: Convert to fraction form
    124,823.92/172,259.76 = 68,235.32/x
  3. Step 3: Cross multiply
    124,823.92x = 172,259.76 × 68,235.32
  4. Step 4: Simplify right side
    124,823.92x = 11,754,199,846.72
  5. Step 5: Solve for x
    x = 11,754,199,846.72/124,823.92
  6. Step 6: Final answer
    x = 94,166.25

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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.