Home / 79,422.18-109,595.46-43,611.40

Finding the Fourth Proportional to 79,422.18, 109,595.46 and 43,611.40

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Solution

The fourth proportional to 79,422.18, 109,595.46 and 43,611.40 is: 60,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.18 : 109,595.46 = 43,611.40 : x
  2. Step 2: Convert to fraction form
    79,422.18/109,595.46 = 43,611.40/x
  3. Step 3: Cross multiply
    79,422.18x = 109,595.46 × 43,611.40
  4. Step 4: Simplify right side
    79,422.18x = 4,779,611,444.24
  5. Step 5: Solve for x
    x = 4,779,611,444.24/79,422.18
  6. Step 6: Final answer
    x = 60,179.81

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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.