Home / 55,715.15-83,572.89-14,162.15

Finding the Fourth Proportional to 55,715.15, 83,572.89 and 14,162.15

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Solution

The fourth proportional to 55,715.15, 83,572.89 and 14,162.15 is: 21,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.15 : 83,572.89 = 14,162.15 : x
  2. Step 2: Convert to fraction form
    55,715.15/83,572.89 = 14,162.15/x
  3. Step 3: Cross multiply
    55,715.15x = 83,572.89 × 14,162.15
  4. Step 4: Simplify right side
    55,715.15x = 1,183,571,386.25
  5. Step 5: Solve for x
    x = 1,183,571,386.25/55,715.15
  6. Step 6: Final answer
    x = 21,243.26

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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.