Home / 82,029.19-122,947.80-37,660.23

Finding the Fourth Proportional to 82,029.19, 122,947.80 and 37,660.23

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Solution

The fourth proportional to 82,029.19, 122,947.80 and 37,660.23 is: 56,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,029.19 : 122,947.80 = 37,660.23 : x
  2. Step 2: Convert to fraction form
    82,029.19/122,947.80 = 37,660.23/x
  3. Step 3: Cross multiply
    82,029.19x = 122,947.80 × 37,660.23
  4. Step 4: Simplify right side
    82,029.19x = 4,630,242,425.99
  5. Step 5: Solve for x
    x = 4,630,242,425.99/82,029.19
  6. Step 6: Final answer
    x = 56,446.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.