Home / 124,427.20-171,660.52-76,597.44

Finding the Fourth Proportional to 124,427.20, 171,660.52 and 76,597.44

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Solution

The fourth proportional to 124,427.20, 171,660.52 and 76,597.44 is: 105,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427.20 : 171,660.52 = 76,597.44 : x
  2. Step 2: Convert to fraction form
    124,427.20/171,660.52 = 76,597.44/x
  3. Step 3: Cross multiply
    124,427.20x = 171,660.52 × 76,597.44
  4. Step 4: Simplify right side
    124,427.20x = 13,148,756,381.07
  5. Step 5: Solve for x
    x = 13,148,756,381.07/124,427.20
  6. Step 6: Final answer
    x = 105,674.29

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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.