Home / 92,909.07-128,213.96-50,467.23

Finding the Fourth Proportional to 92,909.07, 128,213.96 and 50,467.23

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Solution

The fourth proportional to 92,909.07, 128,213.96 and 50,467.23 is: 69,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909.07 : 128,213.96 = 50,467.23 : x
  2. Step 2: Convert to fraction form
    92,909.07/128,213.96 = 50,467.23/x
  3. Step 3: Cross multiply
    92,909.07x = 128,213.96 × 50,467.23
  4. Step 4: Simplify right side
    92,909.07x = 6,470,603,156.19
  5. Step 5: Solve for x
    x = 6,470,603,156.19/92,909.07
  6. Step 6: Final answer
    x = 69,644.47

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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.