Home / 99,217.21-136,865.22-62,852.06

Finding the Fourth Proportional to 99,217.21, 136,865.22 and 62,852.06

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Solution

The fourth proportional to 99,217.21, 136,865.22 and 62,852.06 is: 86,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,217.21 : 136,865.22 = 62,852.06 : x
  2. Step 2: Convert to fraction form
    99,217.21/136,865.22 = 62,852.06/x
  3. Step 3: Cross multiply
    99,217.21x = 136,865.22 × 62,852.06
  4. Step 4: Simplify right side
    99,217.21x = 8,602,261,019.35
  5. Step 5: Solve for x
    x = 8,602,261,019.35/99,217.21
  6. Step 6: Final answer
    x = 86,701.30

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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.