Home / 55,700.35-83,555.45-15,719.69

Finding the Fourth Proportional to 55,700.35, 83,555.45 and 15,719.69

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Solution

The fourth proportional to 55,700.35, 83,555.45 and 15,719.69 is: 23,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,700.35 : 83,555.45 = 15,719.69 : x
  2. Step 2: Convert to fraction form
    55,700.35/83,555.45 = 15,719.69/x
  3. Step 3: Cross multiply
    55,700.35x = 83,555.45 × 15,719.69
  4. Step 4: Simplify right side
    55,700.35x = 1,313,465,771.81
  5. Step 5: Solve for x
    x = 1,313,465,771.81/55,700.35
  6. Step 6: Final answer
    x = 23,580.92

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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.