Home / 82,130.12-113,339.74-44,404.37

Finding the Fourth Proportional to 82,130.12, 113,339.74 and 44,404.37

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Solution

The fourth proportional to 82,130.12, 113,339.74 and 44,404.37 is: 61,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.12 : 113,339.74 = 44,404.37 : x
  2. Step 2: Convert to fraction form
    82,130.12/113,339.74 = 44,404.37/x
  3. Step 3: Cross multiply
    82,130.12x = 113,339.74 × 44,404.37
  4. Step 4: Simplify right side
    82,130.12x = 5,032,779,750.66
  5. Step 5: Solve for x
    x = 5,032,779,750.66/82,130.12
  6. Step 6: Final answer
    x = 61,278.12

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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.