Home / 98,989.41-136,544.91-58,676.19

Finding the Fourth Proportional to 98,989.41, 136,544.91 and 58,676.19

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Solution

The fourth proportional to 98,989.41, 136,544.91 and 58,676.19 is: 80,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,989.41 : 136,544.91 = 58,676.19 : x
  2. Step 2: Convert to fraction form
    98,989.41/136,544.91 = 58,676.19/x
  3. Step 3: Cross multiply
    98,989.41x = 136,544.91 × 58,676.19
  4. Step 4: Simplify right side
    98,989.41x = 8,011,935,082.69
  5. Step 5: Solve for x
    x = 8,011,935,082.69/98,989.41
  6. Step 6: Final answer
    x = 80,937.30

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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.