Home / 91,813.34-126,704.70-51,530.16

Finding the Fourth Proportional to 91,813.34, 126,704.70 and 51,530.16

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Solution

The fourth proportional to 91,813.34, 126,704.70 and 51,530.16 is: 71,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,813.34 : 126,704.70 = 51,530.16 : x
  2. Step 2: Convert to fraction form
    91,813.34/126,704.70 = 51,530.16/x
  3. Step 3: Cross multiply
    91,813.34x = 126,704.70 × 51,530.16
  4. Step 4: Simplify right side
    91,813.34x = 6,529,113,463.75
  5. Step 5: Solve for x
    x = 6,529,113,463.75/91,813.34
  6. Step 6: Final answer
    x = 71,112.91

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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.