Home / 98,969.41-136,577.96-53,647.39

Finding the Fourth Proportional to 98,969.41, 136,577.96 and 53,647.39

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Solution

The fourth proportional to 98,969.41, 136,577.96 and 53,647.39 is: 74,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,969.41 : 136,577.96 = 53,647.39 : x
  2. Step 2: Convert to fraction form
    98,969.41/136,577.96 = 53,647.39/x
  3. Step 3: Cross multiply
    98,969.41x = 136,577.96 × 53,647.39
  4. Step 4: Simplify right side
    98,969.41x = 7,327,051,085.52
  5. Step 5: Solve for x
    x = 7,327,051,085.52/98,969.41
  6. Step 6: Final answer
    x = 74,033.49

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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.