Home / 106,861.54-147,468.32-59,113.86

Finding the Fourth Proportional to 106,861.54, 147,468.32 and 59,113.86

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Solution

The fourth proportional to 106,861.54, 147,468.32 and 59,113.86 is: 81,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,861.54 : 147,468.32 = 59,113.86 : x
  2. Step 2: Convert to fraction form
    106,861.54/147,468.32 = 59,113.86/x
  3. Step 3: Cross multiply
    106,861.54x = 147,468.32 × 59,113.86
  4. Step 4: Simplify right side
    106,861.54x = 8,717,421,622.92
  5. Step 5: Solve for x
    x = 8,717,421,622.92/106,861.54
  6. Step 6: Final answer
    x = 81,576.80

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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.