Home / 83,256.37-114,907.38-61,888.03

Finding the Fourth Proportional to 83,256.37, 114,907.38 and 61,888.03

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Solution

The fourth proportional to 83,256.37, 114,907.38 and 61,888.03 is: 85,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,256.37 : 114,907.38 = 61,888.03 : x
  2. Step 2: Convert to fraction form
    83,256.37/114,907.38 = 61,888.03/x
  3. Step 3: Cross multiply
    83,256.37x = 114,907.38 × 61,888.03
  4. Step 4: Simplify right side
    83,256.37x = 7,111,390,806.12
  5. Step 5: Solve for x
    x = 7,111,390,806.12/83,256.37
  6. Step 6: Final answer
    x = 85,415.58

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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.