Home / 124,007.96-171,132.54-67,420.28

Finding the Fourth Proportional to 124,007.96, 171,132.54 and 67,420.28

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Solution

The fourth proportional to 124,007.96, 171,132.54 and 67,420.28 is: 93,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,007.96 : 171,132.54 = 67,420.28 : x
  2. Step 2: Convert to fraction form
    124,007.96/171,132.54 = 67,420.28/x
  3. Step 3: Cross multiply
    124,007.96x = 171,132.54 × 67,420.28
  4. Step 4: Simplify right side
    124,007.96x = 11,537,803,763.91
  5. Step 5: Solve for x
    x = 11,537,803,763.91/124,007.96
  6. Step 6: Final answer
    x = 93,040.83

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1.5x scale

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.