Home / 86,249.32-119,078.75-59,070.98

Finding the Fourth Proportional to 86,249.32, 119,078.75 and 59,070.98

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Solution

The fourth proportional to 86,249.32, 119,078.75 and 59,070.98 is: 81,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249.32 : 119,078.75 = 59,070.98 : x
  2. Step 2: Convert to fraction form
    86,249.32/119,078.75 = 59,070.98/x
  3. Step 3: Cross multiply
    86,249.32x = 119,078.75 × 59,070.98
  4. Step 4: Simplify right side
    86,249.32x = 7,034,098,164.32
  5. Step 5: Solve for x
    x = 7,034,098,164.32/86,249.32
  6. Step 6: Final answer
    x = 81,555.41

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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.