Home / 86,111.61-129,167.46-46,917.83

Finding the Fourth Proportional to 86,111.61, 129,167.46 and 46,917.83

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Solution

The fourth proportional to 86,111.61, 129,167.46 and 46,917.83 is: 70,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,111.61 : 129,167.46 = 46,917.83 : x
  2. Step 2: Convert to fraction form
    86,111.61/129,167.46 = 46,917.83/x
  3. Step 3: Cross multiply
    86,111.61x = 129,167.46 × 46,917.83
  4. Step 4: Simplify right side
    86,111.61x = 6,060,257,252.73
  5. Step 5: Solve for x
    x = 6,060,257,252.73/86,111.61
  6. Step 6: Final answer
    x = 70,376.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.