Home / 55,678.75-83,522.99-14,125.75

Finding the Fourth Proportional to 55,678.75, 83,522.99 and 14,125.75

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Solution

The fourth proportional to 55,678.75, 83,522.99 and 14,125.75 is: 21,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,678.75 : 83,522.99 = 14,125.75 : x
  2. Step 2: Convert to fraction form
    55,678.75/83,522.99 = 14,125.75/x
  3. Step 3: Cross multiply
    55,678.75x = 83,522.99 × 14,125.75
  4. Step 4: Simplify right side
    55,678.75x = 1,179,824,875.99
  5. Step 5: Solve for x
    x = 1,179,824,875.99/55,678.75
  6. Step 6: Final answer
    x = 21,189.86

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1.5x scale

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.