Home / 86,603.32-119,530.38-50,812.12

Finding the Fourth Proportional to 86,603.32, 119,530.38 and 50,812.12

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Solution

The fourth proportional to 86,603.32, 119,530.38 and 50,812.12 is: 70,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,603.32 : 119,530.38 = 50,812.12 : x
  2. Step 2: Convert to fraction form
    86,603.32/119,530.38 = 50,812.12/x
  3. Step 3: Cross multiply
    86,603.32x = 119,530.38 × 50,812.12
  4. Step 4: Simplify right side
    86,603.32x = 6,073,592,012.21
  5. Step 5: Solve for x
    x = 6,073,592,012.21/86,603.32
  6. Step 6: Final answer
    x = 70,131.17

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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.