Home / 88,429.86-122,038.65-50,716.26

Finding the Fourth Proportional to 88,429.86, 122,038.65 and 50,716.26

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Solution

The fourth proportional to 88,429.86, 122,038.65 and 50,716.26 is: 69,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,429.86 : 122,038.65 = 50,716.26 : x
  2. Step 2: Convert to fraction form
    88,429.86/122,038.65 = 50,716.26/x
  3. Step 3: Cross multiply
    88,429.86x = 122,038.65 × 50,716.26
  4. Step 4: Simplify right side
    88,429.86x = 6,189,343,903.45
  5. Step 5: Solve for x
    x = 6,189,343,903.45/88,429.86
  6. Step 6: Final answer
    x = 69,991.56

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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.