Home / 86,265.39-119,111.13-84,887.58

Finding the Fourth Proportional to 86,265.39, 119,111.13 and 84,887.58

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Solution

The fourth proportional to 86,265.39, 119,111.13 and 84,887.58 is: 117,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,265.39 : 119,111.13 = 84,887.58 : x
  2. Step 2: Convert to fraction form
    86,265.39/119,111.13 = 84,887.58/x
  3. Step 3: Cross multiply
    86,265.39x = 119,111.13 × 84,887.58
  4. Step 4: Simplify right side
    86,265.39x = 10,111,055,576.77
  5. Step 5: Solve for x
    x = 10,111,055,576.77/86,265.39
  6. Step 6: Final answer
    x = 117,208.72

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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.