Home / 79,175.48-109,263.74-43,365.50

Finding the Fourth Proportional to 79,175.48, 109,263.74 and 43,365.50

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Solution

The fourth proportional to 79,175.48, 109,263.74 and 43,365.50 is: 59,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,175.48 : 109,263.74 = 43,365.50 : x
  2. Step 2: Convert to fraction form
    79,175.48/109,263.74 = 43,365.50/x
  3. Step 3: Cross multiply
    79,175.48x = 109,263.74 × 43,365.50
  4. Step 4: Simplify right side
    79,175.48x = 4,738,276,670.87
  5. Step 5: Solve for x
    x = 4,738,276,670.87/79,175.48
  6. Step 6: Final answer
    x = 59,845.26

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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.