Home / 79,295.07-109,430.36-43,486.37

Finding the Fourth Proportional to 79,295.07, 109,430.36 and 43,486.37

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Solution

The fourth proportional to 79,295.07, 109,430.36 and 43,486.37 is: 60,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,295.07 : 109,430.36 = 43,486.37 : x
  2. Step 2: Convert to fraction form
    79,295.07/109,430.36 = 43,486.37/x
  3. Step 3: Cross multiply
    79,295.07x = 109,430.36 × 43,486.37
  4. Step 4: Simplify right side
    79,295.07x = 4,758,729,124.19
  5. Step 5: Solve for x
    x = 4,758,729,124.19/79,295.07
  6. Step 6: Final answer
    x = 60,012.93

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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.