Home / 98,411.64-147,622.04-31,856.97

Finding the Fourth Proportional to 98,411.64, 147,622.04 and 31,856.97

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Solution

The fourth proportional to 98,411.64, 147,622.04 and 31,856.97 is: 47,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,411.64 : 147,622.04 = 31,856.97 : x
  2. Step 2: Convert to fraction form
    98,411.64/147,622.04 = 31,856.97/x
  3. Step 3: Cross multiply
    98,411.64x = 147,622.04 × 31,856.97
  4. Step 4: Simplify right side
    98,411.64x = 4,702,790,899.62
  5. Step 5: Solve for x
    x = 4,702,790,899.62/98,411.64
  6. Step 6: Final answer
    x = 47,786.94

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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.