Home / 52,084.40-78,131.22-14,644.80

Finding the Fourth Proportional to 52,084.40, 78,131.22 and 14,644.80

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Solution

The fourth proportional to 52,084.40, 78,131.22 and 14,644.80 is: 21,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,084.40 : 78,131.22 = 14,644.80 : x
  2. Step 2: Convert to fraction form
    52,084.40/78,131.22 = 14,644.80/x
  3. Step 3: Cross multiply
    52,084.40x = 78,131.22 × 14,644.80
  4. Step 4: Simplify right side
    52,084.40x = 1,144,216,090.66
  5. Step 5: Solve for x
    x = 1,144,216,090.66/52,084.40
  6. Step 6: Final answer
    x = 21,968.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.