Home / 86,637.80-119,562.16-50,853.62

Finding the Fourth Proportional to 86,637.80, 119,562.16 and 50,853.62

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Solution

The fourth proportional to 86,637.80, 119,562.16 and 50,853.62 is: 70,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,637.80 : 119,562.16 = 50,853.62 : x
  2. Step 2: Convert to fraction form
    86,637.80/119,562.16 = 50,853.62/x
  3. Step 3: Cross multiply
    86,637.80x = 119,562.16 × 50,853.62
  4. Step 4: Simplify right side
    86,637.80x = 6,080,168,651.02
  5. Step 5: Solve for x
    x = 6,080,168,651.02/86,637.80
  6. Step 6: Final answer
    x = 70,179.17

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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.