Home / 82,130.29-113,339.32-44,403.73

Finding the Fourth Proportional to 82,130.29, 113,339.32 and 44,403.73

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Solution

The fourth proportional to 82,130.29, 113,339.32 and 44,403.73 is: 61,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.29 : 113,339.32 = 44,403.73 : x
  2. Step 2: Convert to fraction form
    82,130.29/113,339.32 = 44,403.73/x
  3. Step 3: Cross multiply
    82,130.29x = 113,339.32 × 44,403.73
  4. Step 4: Simplify right side
    82,130.29x = 5,032,688,563.66
  5. Step 5: Solve for x
    x = 5,032,688,563.66/82,130.29
  6. Step 6: Final answer
    x = 61,276.89

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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.