Home / 124,509.96-171,823.02-67,921.32

Finding the Fourth Proportional to 124,509.96, 171,823.02 and 67,921.32

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Solution

The fourth proportional to 124,509.96, 171,823.02 and 67,921.32 is: 93,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,509.96 : 171,823.02 = 67,921.32 : x
  2. Step 2: Convert to fraction form
    124,509.96/171,823.02 = 67,921.32/x
  3. Step 3: Cross multiply
    124,509.96x = 171,823.02 × 67,921.32
  4. Step 4: Simplify right side
    124,509.96x = 11,670,446,324.79
  5. Step 5: Solve for x
    x = 11,670,446,324.79/124,509.96
  6. Step 6: Final answer
    x = 93,731.03

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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.