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Finding the Fourth Proportional to 84,652.06, 127,004.40 and 34,736.20

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Solution

The fourth proportional to 84,652.06, 127,004.40 and 34,736.20 is: 52,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,652.06 : 127,004.40 = 34,736.20 : x
  2. Step 2: Convert to fraction form
    84,652.06/127,004.40 = 34,736.20/x
  3. Step 3: Cross multiply
    84,652.06x = 127,004.40 × 34,736.20
  4. Step 4: Simplify right side
    84,652.06x = 4,411,650,239.28
  5. Step 5: Solve for x
    x = 4,411,650,239.28/84,652.06
  6. Step 6: Final answer
    x = 52,115.10

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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.