Home / 97,422.12-134,445.24-54,991.98

Finding the Fourth Proportional to 97,422.12, 134,445.24 and 54,991.98

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Solution

The fourth proportional to 97,422.12, 134,445.24 and 54,991.98 is: 75,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,422.12 : 134,445.24 = 54,991.98 : x
  2. Step 2: Convert to fraction form
    97,422.12/134,445.24 = 54,991.98/x
  3. Step 3: Cross multiply
    97,422.12x = 134,445.24 × 54,991.98
  4. Step 4: Simplify right side
    97,422.12x = 7,393,409,949.18
  5. Step 5: Solve for x
    x = 7,393,409,949.18/97,422.12
  6. Step 6: Final answer
    x = 75,890.46

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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.