Home / 86,285.73-119,041.22-53,564.79

Finding the Fourth Proportional to 86,285.73, 119,041.22 and 53,564.79

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Solution

The fourth proportional to 86,285.73, 119,041.22 and 53,564.79 is: 73,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,285.73 : 119,041.22 = 53,564.79 : x
  2. Step 2: Convert to fraction form
    86,285.73/119,041.22 = 53,564.79/x
  3. Step 3: Cross multiply
    86,285.73x = 119,041.22 × 53,564.79
  4. Step 4: Simplify right side
    86,285.73x = 6,376,418,380.31
  5. Step 5: Solve for x
    x = 6,376,418,380.31/86,285.73
  6. Step 6: Final answer
    x = 73,898.87

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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.