Home / 92,759.19-128,007.03-50,317.77

Finding the Fourth Proportional to 92,759.19, 128,007.03 and 50,317.77

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Solution

The fourth proportional to 92,759.19, 128,007.03 and 50,317.77 is: 69,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,759.19 : 128,007.03 = 50,317.77 : x
  2. Step 2: Convert to fraction form
    92,759.19/128,007.03 = 50,317.77/x
  3. Step 3: Cross multiply
    92,759.19x = 128,007.03 × 50,317.77
  4. Step 4: Simplify right side
    92,759.19x = 6,441,028,293.92
  5. Step 5: Solve for x
    x = 6,441,028,293.92/92,759.19
  6. Step 6: Final answer
    x = 69,438.17

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1.5x scale

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.