Home / 79,113.07-109,173.36-43,302.34

Finding the Fourth Proportional to 79,113.07, 109,173.36 and 43,302.34

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Solution

The fourth proportional to 79,113.07, 109,173.36 and 43,302.34 is: 59,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,113.07 : 109,173.36 = 43,302.34 : x
  2. Step 2: Convert to fraction form
    79,113.07/109,173.36 = 43,302.34/x
  3. Step 3: Cross multiply
    79,113.07x = 109,173.36 × 43,302.34
  4. Step 4: Simplify right side
    79,113.07x = 4,727,461,953.66
  5. Step 5: Solve for x
    x = 4,727,461,953.66/79,113.07
  6. Step 6: Final answer
    x = 59,755.76

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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.