Home / 86,564.40-119,383.58-61,025.70

Finding the Fourth Proportional to 86,564.40, 119,383.58 and 61,025.70

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Solution

The fourth proportional to 86,564.40, 119,383.58 and 61,025.70 is: 84,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,564.40 : 119,383.58 = 61,025.70 : x
  2. Step 2: Convert to fraction form
    86,564.40/119,383.58 = 61,025.70/x
  3. Step 3: Cross multiply
    86,564.40x = 119,383.58 × 61,025.70
  4. Step 4: Simplify right side
    86,564.40x = 7,285,466,232.88
  5. Step 5: Solve for x
    x = 7,285,466,232.88/86,564.40
  6. Step 6: Final answer
    x = 84,162.38

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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.