Home / 86,210.13-118,952.14-50,393.21

Finding the Fourth Proportional to 86,210.13, 118,952.14 and 50,393.21

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Solution

The fourth proportional to 86,210.13, 118,952.14 and 50,393.21 is: 69,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,210.13 : 118,952.14 = 50,393.21 : x
  2. Step 2: Convert to fraction form
    86,210.13/118,952.14 = 50,393.21/x
  3. Step 3: Cross multiply
    86,210.13x = 118,952.14 × 50,393.21
  4. Step 4: Simplify right side
    86,210.13x = 5,994,379,324.24
  5. Step 5: Solve for x
    x = 5,994,379,324.24/86,210.13
  6. Step 6: Final answer
    x = 69,532.20

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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.