Home / 111,305.90-153,596.63-62,908.80

Finding the Fourth Proportional to 111,305.90, 153,596.63 and 62,908.80

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Solution

The fourth proportional to 111,305.90, 153,596.63 and 62,908.80 is: 86,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,305.90 : 153,596.63 = 62,908.80 : x
  2. Step 2: Convert to fraction form
    111,305.90/153,596.63 = 62,908.80/x
  3. Step 3: Cross multiply
    111,305.90x = 153,596.63 × 62,908.80
  4. Step 4: Simplify right side
    111,305.90x = 9,662,579,362.80
  5. Step 5: Solve for x
    x = 9,662,579,362.80/111,305.90
  6. Step 6: Final answer
    x = 86,811.03

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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.