Home / 68,445.14-94,451.47-38,230.31

Finding the Fourth Proportional to 68,445.14, 94,451.47 and 38,230.31

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Solution

The fourth proportional to 68,445.14, 94,451.47 and 38,230.31 is: 52,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445.14 : 94,451.47 = 38,230.31 : x
  2. Step 2: Convert to fraction form
    68,445.14/94,451.47 = 38,230.31/x
  3. Step 3: Cross multiply
    68,445.14x = 94,451.47 × 38,230.31
  4. Step 4: Simplify right side
    68,445.14x = 3,610,909,118.61
  5. Step 5: Solve for x
    x = 3,610,909,118.61/68,445.14
  6. Step 6: Final answer
    x = 52,756.26

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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.