Home / 69,130.77-103,697.52-21,744.86

Finding the Fourth Proportional to 69,130.77, 103,697.52 and 21,744.86

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Solution

The fourth proportional to 69,130.77, 103,697.52 and 21,744.86 is: 32,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,130.77 : 103,697.52 = 21,744.86 : x
  2. Step 2: Convert to fraction form
    69,130.77/103,697.52 = 21,744.86/x
  3. Step 3: Cross multiply
    69,130.77x = 103,697.52 × 21,744.86
  4. Step 4: Simplify right side
    69,130.77x = 2,254,888,054.75
  5. Step 5: Solve for x
    x = 2,254,888,054.75/69,130.77
  6. Step 6: Final answer
    x = 32,617.72

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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.