Home / 79,438.16-109,597.22-50,774.58

Finding the Fourth Proportional to 79,438.16, 109,597.22 and 50,774.58

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Solution

The fourth proportional to 79,438.16, 109,597.22 and 50,774.58 is: 70,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,438.16 : 109,597.22 = 50,774.58 : x
  2. Step 2: Convert to fraction form
    79,438.16/109,597.22 = 50,774.58/x
  3. Step 3: Cross multiply
    79,438.16x = 109,597.22 × 50,774.58
  4. Step 4: Simplify right side
    79,438.16x = 5,564,752,814.67
  5. Step 5: Solve for x
    x = 5,564,752,814.67/79,438.16
  6. Step 6: Final answer
    x = 70,051.38

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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.