Home / 98,994.18-136,576.14-65,021.07

Finding the Fourth Proportional to 98,994.18, 136,576.14 and 65,021.07

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Solution

The fourth proportional to 98,994.18, 136,576.14 and 65,021.07 is: 89,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,994.18 : 136,576.14 = 65,021.07 : x
  2. Step 2: Convert to fraction form
    98,994.18/136,576.14 = 65,021.07/x
  3. Step 3: Cross multiply
    98,994.18x = 136,576.14 × 65,021.07
  4. Step 4: Simplify right side
    98,994.18x = 8,880,326,759.27
  5. Step 5: Solve for x
    x = 8,880,326,759.27/98,994.18
  6. Step 6: Final answer
    x = 89,705.54

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1.5x scale

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.