Home / 91,136.40-125,771.23-52,893.06

Finding the Fourth Proportional to 91,136.40, 125,771.23 and 52,893.06

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Solution

The fourth proportional to 91,136.40, 125,771.23 and 52,893.06 is: 72,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,136.40 : 125,771.23 = 52,893.06 : x
  2. Step 2: Convert to fraction form
    91,136.40/125,771.23 = 52,893.06/x
  3. Step 3: Cross multiply
    91,136.40x = 125,771.23 × 52,893.06
  4. Step 4: Simplify right side
    91,136.40x = 6,652,425,214.66
  5. Step 5: Solve for x
    x = 6,652,425,214.66/91,136.40
  6. Step 6: Final answer
    x = 72,994.16

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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.