Home / 105,080.60-157,511.55-57,622.70

Finding the Fourth Proportional to 105,080.60, 157,511.55 and 57,622.70

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Solution

The fourth proportional to 105,080.60, 157,511.55 and 57,622.70 is: 86,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,080.60 : 157,511.55 = 57,622.70 : x
  2. Step 2: Convert to fraction form
    105,080.60/157,511.55 = 57,622.70/x
  3. Step 3: Cross multiply
    105,080.60x = 157,511.55 × 57,622.70
  4. Step 4: Simplify right side
    105,080.60x = 9,076,240,792.19
  5. Step 5: Solve for x
    x = 9,076,240,792.19/105,080.60
  6. Step 6: Final answer
    x = 86,374.09

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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.