Home / 82,146.87-113,362.65-44,421.12

Finding the Fourth Proportional to 82,146.87, 113,362.65 and 44,421.12

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Solution

The fourth proportional to 82,146.87, 113,362.65 and 44,421.12 is: 61,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,146.87 : 113,362.65 = 44,421.12 : x
  2. Step 2: Convert to fraction form
    82,146.87/113,362.65 = 44,421.12/x
  3. Step 3: Cross multiply
    82,146.87x = 113,362.65 × 44,421.12
  4. Step 4: Simplify right side
    82,146.87x = 5,035,695,879.17
  5. Step 5: Solve for x
    x = 5,035,695,879.17/82,146.87
  6. Step 6: Final answer
    x = 61,301.13

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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.