Home / 88,054.83-121,515.66-50,329.89

Finding the Fourth Proportional to 88,054.83, 121,515.66 and 50,329.89

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Solution

The fourth proportional to 88,054.83, 121,515.66 and 50,329.89 is: 69,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,054.83 : 121,515.66 = 50,329.89 : x
  2. Step 2: Convert to fraction form
    88,054.83/121,515.66 = 50,329.89/x
  3. Step 3: Cross multiply
    88,054.83x = 121,515.66 × 50,329.89
  4. Step 4: Simplify right side
    88,054.83x = 6,115,869,623.11
  5. Step 5: Solve for x
    x = 6,115,869,623.11/88,054.83
  6. Step 6: Final answer
    x = 69,455.25

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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.