Home / 92,564.12-127,738.88-52,278.36

Finding the Fourth Proportional to 92,564.12, 127,738.88 and 52,278.36

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Solution

The fourth proportional to 92,564.12, 127,738.88 and 52,278.36 is: 72,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,564.12 : 127,738.88 = 52,278.36 : x
  2. Step 2: Convert to fraction form
    92,564.12/127,738.88 = 52,278.36/x
  3. Step 3: Cross multiply
    92,564.12x = 127,738.88 × 52,278.36
  4. Step 4: Simplify right side
    92,564.12x = 6,677,978,893.25
  5. Step 5: Solve for x
    x = 6,677,978,893.25/92,564.12
  6. Step 6: Final answer
    x = 72,144.36

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1.5x scale

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.