Home / 91,175.04-125,821.70-50,888.79

Finding the Fourth Proportional to 91,175.04, 125,821.70 and 50,888.79

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Solution

The fourth proportional to 91,175.04, 125,821.70 and 50,888.79 is: 70,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.04 : 125,821.70 = 50,888.79 : x
  2. Step 2: Convert to fraction form
    91,175.04/125,821.70 = 50,888.79/x
  3. Step 3: Cross multiply
    91,175.04x = 125,821.70 × 50,888.79
  4. Step 4: Simplify right side
    91,175.04x = 6,402,913,814.30
  5. Step 5: Solve for x
    x = 6,402,913,814.30/91,175.04
  6. Step 6: Final answer
    x = 70,226.61

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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.