Home / 104,661.40-156,988.60-45,497.08

Finding the Fourth Proportional to 104,661.40, 156,988.60 and 45,497.08

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Solution

The fourth proportional to 104,661.40, 156,988.60 and 45,497.08 is: 68,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.40 : 156,988.60 = 45,497.08 : x
  2. Step 2: Convert to fraction form
    104,661.40/156,988.60 = 45,497.08/x
  3. Step 3: Cross multiply
    104,661.40x = 156,988.60 × 45,497.08
  4. Step 4: Simplify right side
    104,661.40x = 7,142,522,893.29
  5. Step 5: Solve for x
    x = 7,142,522,893.29/104,661.40
  6. Step 6: Final answer
    x = 68,244.10

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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.