Home / 79,014.30-109,036.44-43,205.55

Finding the Fourth Proportional to 79,014.30, 109,036.44 and 43,205.55

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Solution

The fourth proportional to 79,014.30, 109,036.44 and 43,205.55 is: 59,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,014.30 : 109,036.44 = 43,205.55 : x
  2. Step 2: Convert to fraction form
    79,014.30/109,036.44 = 43,205.55/x
  3. Step 3: Cross multiply
    79,014.30x = 109,036.44 × 43,205.55
  4. Step 4: Simplify right side
    79,014.30x = 4,710,979,360.24
  5. Step 5: Solve for x
    x = 4,710,979,360.24/79,014.30
  6. Step 6: Final answer
    x = 59,621.86

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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.