Home / 112,239.06-168,309.04-42,069.16

Finding the Fourth Proportional to 112,239.06, 168,309.04 and 42,069.16

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Solution

The fourth proportional to 112,239.06, 168,309.04 and 42,069.16 is: 63,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,239.06 : 168,309.04 = 42,069.16 : x
  2. Step 2: Convert to fraction form
    112,239.06/168,309.04 = 42,069.16/x
  3. Step 3: Cross multiply
    112,239.06x = 168,309.04 × 42,069.16
  4. Step 4: Simplify right side
    112,239.06x = 7,080,619,933.21
  5. Step 5: Solve for x
    x = 7,080,619,933.21/112,239.06
  6. Step 6: Final answer
    x = 63,085.17

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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.