Home / 92,835.16-128,112.68-50,393.72

Finding the Fourth Proportional to 92,835.16, 128,112.68 and 50,393.72

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Solution

The fourth proportional to 92,835.16, 128,112.68 and 50,393.72 is: 69,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,835.16 : 128,112.68 = 50,393.72 : x
  2. Step 2: Convert to fraction form
    92,835.16/128,112.68 = 50,393.72/x
  3. Step 3: Cross multiply
    92,835.16x = 128,112.68 × 50,393.72
  4. Step 4: Simplify right side
    92,835.16x = 6,456,074,524.37
  5. Step 5: Solve for x
    x = 6,456,074,524.37/92,835.16
  6. Step 6: Final answer
    x = 69,543.42

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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.