Home / 92,640.20-127,840.14-52,353.08

Finding the Fourth Proportional to 92,640.20, 127,840.14 and 52,353.08

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Solution

The fourth proportional to 92,640.20, 127,840.14 and 52,353.08 is: 72,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,640.20 : 127,840.14 = 52,353.08 : x
  2. Step 2: Convert to fraction form
    92,640.20/127,840.14 = 52,353.08/x
  3. Step 3: Cross multiply
    92,640.20x = 127,840.14 × 52,353.08
  4. Step 4: Simplify right side
    92,640.20x = 6,692,824,437.43
  5. Step 5: Solve for x
    x = 6,692,824,437.43/92,640.20
  6. Step 6: Final answer
    x = 72,245.36

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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.