Home / 82,130.20-113,339.58-44,404.36

Finding the Fourth Proportional to 82,130.20, 113,339.58 and 44,404.36

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Solution

The fourth proportional to 82,130.20, 113,339.58 and 44,404.36 is: 61,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.20 : 113,339.58 = 44,404.36 : x
  2. Step 2: Convert to fraction form
    82,130.20/113,339.58 = 44,404.36/x
  3. Step 3: Cross multiply
    82,130.20x = 113,339.58 × 44,404.36
  4. Step 4: Simplify right side
    82,130.20x = 5,032,771,512.57
  5. Step 5: Solve for x
    x = 5,032,771,512.57/82,130.20
  6. Step 6: Final answer
    x = 61,277.96

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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.