Home / 103,718.06-155,673.93-53,833.20

Finding the Fourth Proportional to 103,718.06, 155,673.93 and 53,833.20

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Solution

The fourth proportional to 103,718.06, 155,673.93 and 53,833.20 is: 80,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,718.06 : 155,673.93 = 53,833.20 : x
  2. Step 2: Convert to fraction form
    103,718.06/155,673.93 = 53,833.20/x
  3. Step 3: Cross multiply
    103,718.06x = 155,673.93 × 53,833.20
  4. Step 4: Simplify right side
    103,718.06x = 8,380,425,808.48
  5. Step 5: Solve for x
    x = 8,380,425,808.48/103,718.06
  6. Step 6: Final answer
    x = 80,800.06

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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.