Home / 98,826.88-136,330.24-66,984.96

Finding the Fourth Proportional to 98,826.88, 136,330.24 and 66,984.96

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Solution

The fourth proportional to 98,826.88, 136,330.24 and 66,984.96 is: 92,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,826.88 : 136,330.24 = 66,984.96 : x
  2. Step 2: Convert to fraction form
    98,826.88/136,330.24 = 66,984.96/x
  3. Step 3: Cross multiply
    98,826.88x = 136,330.24 × 66,984.96
  4. Step 4: Simplify right side
    98,826.88x = 9,132,075,673.19
  5. Step 5: Solve for x
    x = 9,132,075,673.19/98,826.88
  6. Step 6: Final answer
    x = 92,404.78

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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.