Home / 102,824.39-141,896.67-57,501.86

Finding the Fourth Proportional to 102,824.39, 141,896.67 and 57,501.86

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Solution

The fourth proportional to 102,824.39, 141,896.67 and 57,501.86 is: 79,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,824.39 : 141,896.67 = 57,501.86 : x
  2. Step 2: Convert to fraction form
    102,824.39/141,896.67 = 57,501.86/x
  3. Step 3: Cross multiply
    102,824.39x = 141,896.67 × 57,501.86
  4. Step 4: Simplify right side
    102,824.39x = 8,159,322,452.81
  5. Step 5: Solve for x
    x = 8,159,322,452.81/102,824.39
  6. Step 6: Final answer
    x = 79,352.01

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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.