Home / 71,039.12-98,034.32-38,773.32

Finding the Fourth Proportional to 71,039.12, 98,034.32 and 38,773.32

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Solution

The fourth proportional to 71,039.12, 98,034.32 and 38,773.32 is: 53,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,039.12 : 98,034.32 = 38,773.32 : x
  2. Step 2: Convert to fraction form
    71,039.12/98,034.32 = 38,773.32/x
  3. Step 3: Cross multiply
    71,039.12x = 98,034.32 × 38,773.32
  4. Step 4: Simplify right side
    71,039.12x = 3,801,116,060.34
  5. Step 5: Solve for x
    x = 3,801,116,060.34/71,039.12
  6. Step 6: Final answer
    x = 53,507.36

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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.