Home / 79,459.07-109,653.51-43,649.67

Finding the Fourth Proportional to 79,459.07, 109,653.51 and 43,649.67

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Solution

The fourth proportional to 79,459.07, 109,653.51 and 43,649.67 is: 60,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,459.07 : 109,653.51 = 43,649.67 : x
  2. Step 2: Convert to fraction form
    79,459.07/109,653.51 = 43,649.67/x
  3. Step 3: Cross multiply
    79,459.07x = 109,653.51 × 43,649.67
  4. Step 4: Simplify right side
    79,459.07x = 4,786,339,307.59
  5. Step 5: Solve for x
    x = 4,786,339,307.59/79,459.07
  6. Step 6: Final answer
    x = 60,236.54

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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.