Home / 86,911.17-119,949.56-62,790.19

Finding the Fourth Proportional to 86,911.17, 119,949.56 and 62,790.19

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Solution

The fourth proportional to 86,911.17, 119,949.56 and 62,790.19 is: 86,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,911.17 : 119,949.56 = 62,790.19 : x
  2. Step 2: Convert to fraction form
    86,911.17/119,949.56 = 62,790.19/x
  3. Step 3: Cross multiply
    86,911.17x = 119,949.56 × 62,790.19
  4. Step 4: Simplify right side
    86,911.17x = 7,531,655,662.82
  5. Step 5: Solve for x
    x = 7,531,655,662.82/86,911.17
  6. Step 6: Final answer
    x = 86,659.24

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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.