Home / 109,898.10-164,847.15-70,532.10

Finding the Fourth Proportional to 109,898.10, 164,847.15 and 70,532.10

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Solution

The fourth proportional to 109,898.10, 164,847.15 and 70,532.10 is: 105,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,898.10 : 164,847.15 = 70,532.10 : x
  2. Step 2: Convert to fraction form
    109,898.10/164,847.15 = 70,532.10/x
  3. Step 3: Cross multiply
    109,898.10x = 164,847.15 × 70,532.10
  4. Step 4: Simplify right side
    109,898.10x = 11,627,015,668.52
  5. Step 5: Solve for x
    x = 11,627,015,668.52/109,898.10
  6. Step 6: Final answer
    x = 105,798.15

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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.