Home / 89,186.85-133,794.12-30,017.91

Finding the Fourth Proportional to 89,186.85, 133,794.12 and 30,017.91

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Solution

The fourth proportional to 89,186.85, 133,794.12 and 30,017.91 is: 45,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.85 : 133,794.12 = 30,017.91 : x
  2. Step 2: Convert to fraction form
    89,186.85/133,794.12 = 30,017.91/x
  3. Step 3: Cross multiply
    89,186.85x = 133,794.12 × 30,017.91
  4. Step 4: Simplify right side
    89,186.85x = 4,016,219,852.69
  5. Step 5: Solve for x
    x = 4,016,219,852.69/89,186.85
  6. Step 6: Final answer
    x = 45,031.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.