Home / 80,966.34-111,730.05-59,737.86

Finding the Fourth Proportional to 80,966.34, 111,730.05 and 59,737.86

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Solution

The fourth proportional to 80,966.34, 111,730.05 and 59,737.86 is: 82,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,966.34 : 111,730.05 = 59,737.86 : x
  2. Step 2: Convert to fraction form
    80,966.34/111,730.05 = 59,737.86/x
  3. Step 3: Cross multiply
    80,966.34x = 111,730.05 × 59,737.86
  4. Step 4: Simplify right side
    80,966.34x = 6,674,514,084.69
  5. Step 5: Solve for x
    x = 6,674,514,084.69/80,966.34
  6. Step 6: Final answer
    x = 82,435.67

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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.