Home / 91,068.60-125,670.08-50,239.85

Finding the Fourth Proportional to 91,068.60, 125,670.08 and 50,239.85

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Solution

The fourth proportional to 91,068.60, 125,670.08 and 50,239.85 is: 69,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,068.60 : 125,670.08 = 50,239.85 : x
  2. Step 2: Convert to fraction form
    91,068.60/125,670.08 = 50,239.85/x
  3. Step 3: Cross multiply
    91,068.60x = 125,670.08 × 50,239.85
  4. Step 4: Simplify right side
    91,068.60x = 6,313,645,465.94
  5. Step 5: Solve for x
    x = 6,313,645,465.94/91,068.60
  6. Step 6: Final answer
    x = 69,328.45

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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.