Home / 86,234.43-118,901.70-59,023.62

Finding the Fourth Proportional to 86,234.43, 118,901.70 and 59,023.62

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Solution

The fourth proportional to 86,234.43, 118,901.70 and 59,023.62 is: 81,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,234.43 : 118,901.70 = 59,023.62 : x
  2. Step 2: Convert to fraction form
    86,234.43/118,901.70 = 59,023.62/x
  3. Step 3: Cross multiply
    86,234.43x = 118,901.70 × 59,023.62
  4. Step 4: Simplify right side
    86,234.43x = 7,018,008,758.15
  5. Step 5: Solve for x
    x = 7,018,008,758.15/86,234.43
  6. Step 6: Final answer
    x = 81,382.91

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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.