Home / 124,090.30-171,243.66-67,501.72

Finding the Fourth Proportional to 124,090.30, 171,243.66 and 67,501.72

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Solution

The fourth proportional to 124,090.30, 171,243.66 and 67,501.72 is: 93,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,090.30 : 171,243.66 = 67,501.72 : x
  2. Step 2: Convert to fraction form
    124,090.30/171,243.66 = 67,501.72/x
  3. Step 3: Cross multiply
    124,090.30x = 171,243.66 × 67,501.72
  4. Step 4: Simplify right side
    124,090.30x = 11,559,241,589.10
  5. Step 5: Solve for x
    x = 11,559,241,589.10/124,090.30
  6. Step 6: Final answer
    x = 93,151.85

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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.