Home / 90,256.64-135,381.60-23,696.16

Finding the Fourth Proportional to 90,256.64, 135,381.60 and 23,696.16

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Solution

The fourth proportional to 90,256.64, 135,381.60 and 23,696.16 is: 35,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,256.64 : 135,381.60 = 23,696.16 : x
  2. Step 2: Convert to fraction form
    90,256.64/135,381.60 = 23,696.16/x
  3. Step 3: Cross multiply
    90,256.64x = 135,381.60 × 23,696.16
  4. Step 4: Simplify right side
    90,256.64x = 3,208,024,054.66
  5. Step 5: Solve for x
    x = 3,208,024,054.66/90,256.64
  6. Step 6: Final answer
    x = 35,543.36

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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.