Home / 82,882.18-124,324.14-66,347.32

Finding the Fourth Proportional to 82,882.18, 124,324.14 and 66,347.32

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Solution

The fourth proportional to 82,882.18, 124,324.14 and 66,347.32 is: 99,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.18 : 124,324.14 = 66,347.32 : x
  2. Step 2: Convert to fraction form
    82,882.18/124,324.14 = 66,347.32/x
  3. Step 3: Cross multiply
    82,882.18x = 124,324.14 × 66,347.32
  4. Step 4: Simplify right side
    82,882.18x = 8,248,573,173.80
  5. Step 5: Solve for x
    x = 8,248,573,173.80/82,882.18
  6. Step 6: Final answer
    x = 99,521.67

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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.