Home / 77,166.24-106,491.42-43,173.60

Finding the Fourth Proportional to 77,166.24, 106,491.42 and 43,173.60

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Solution

The fourth proportional to 77,166.24, 106,491.42 and 43,173.60 is: 59,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,166.24 : 106,491.42 = 43,173.60 : x
  2. Step 2: Convert to fraction form
    77,166.24/106,491.42 = 43,173.60/x
  3. Step 3: Cross multiply
    77,166.24x = 106,491.42 × 43,173.60
  4. Step 4: Simplify right side
    77,166.24x = 4,597,617,970.51
  5. Step 5: Solve for x
    x = 4,597,617,970.51/77,166.24
  6. Step 6: Final answer
    x = 59,580.69

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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.