Home / 124,933.44-172,404-74,602.56

Finding the Fourth Proportional to 124,933.44, 172,404 and 74,602.56

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Solution

The fourth proportional to 124,933.44, 172,404 and 74,602.56 is: 102,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933.44 : 172,404 = 74,602.56 : x
  2. Step 2: Convert to fraction form
    124,933.44/172,404 = 74,602.56/x
  3. Step 3: Cross multiply
    124,933.44x = 172,404 × 74,602.56
  4. Step 4: Simplify right side
    124,933.44x = 12,861,779,754.24
  5. Step 5: Solve for x
    x = 12,861,779,754.24/124,933.44
  6. Step 6: Final answer
    x = 102,949.06

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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.