Home / 91,506.46-126,241.32-55,690.60

Finding the Fourth Proportional to 91,506.46, 126,241.32 and 55,690.60

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Solution

The fourth proportional to 91,506.46, 126,241.32 and 55,690.60 is: 76,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,506.46 : 126,241.32 = 55,690.60 : x
  2. Step 2: Convert to fraction form
    91,506.46/126,241.32 = 55,690.60/x
  3. Step 3: Cross multiply
    91,506.46x = 126,241.32 × 55,690.60
  4. Step 4: Simplify right side
    91,506.46x = 7,030,454,855.59
  5. Step 5: Solve for x
    x = 7,030,454,855.59/91,506.46
  6. Step 6: Final answer
    x = 76,830.15

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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.