Home / 68,655.48-94,744.80-38,442.12

Finding the Fourth Proportional to 68,655.48, 94,744.80 and 38,442.12

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Solution

The fourth proportional to 68,655.48, 94,744.80 and 38,442.12 is: 53,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,655.48 : 94,744.80 = 38,442.12 : x
  2. Step 2: Convert to fraction form
    68,655.48/94,744.80 = 38,442.12/x
  3. Step 3: Cross multiply
    68,655.48x = 94,744.80 × 38,442.12
  4. Step 4: Simplify right side
    68,655.48x = 3,642,190,970.98
  5. Step 5: Solve for x
    x = 3,642,190,970.98/68,655.48
  6. Step 6: Final answer
    x = 53,050.26

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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.