Home / 91,281.09-125,967.90-50,994.87

Finding the Fourth Proportional to 91,281.09, 125,967.90 and 50,994.87

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Solution

The fourth proportional to 91,281.09, 125,967.90 and 50,994.87 is: 70,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,281.09 : 125,967.90 = 50,994.87 : x
  2. Step 2: Convert to fraction form
    91,281.09/125,967.90 = 50,994.87/x
  3. Step 3: Cross multiply
    91,281.09x = 125,967.90 × 50,994.87
  4. Step 4: Simplify right side
    91,281.09x = 6,423,716,684.67
  5. Step 5: Solve for x
    x = 6,423,716,684.67/91,281.09
  6. Step 6: Final answer
    x = 70,372.92

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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.