Home / 92,988.06-128,322.57-50,546.31

Finding the Fourth Proportional to 92,988.06, 128,322.57 and 50,546.31

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Solution

The fourth proportional to 92,988.06, 128,322.57 and 50,546.31 is: 69,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,988.06 : 128,322.57 = 50,546.31 : x
  2. Step 2: Convert to fraction form
    92,988.06/128,322.57 = 50,546.31/x
  3. Step 3: Cross multiply
    92,988.06x = 128,322.57 × 50,546.31
  4. Step 4: Simplify right side
    92,988.06x = 6,486,232,403.22
  5. Step 5: Solve for x
    x = 6,486,232,403.22/92,988.06
  6. Step 6: Final answer
    x = 69,753.39

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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.