Home / 92,955.63-128,278.79-50,514.06

Finding the Fourth Proportional to 92,955.63, 128,278.79 and 50,514.06

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Solution

The fourth proportional to 92,955.63, 128,278.79 and 50,514.06 is: 69,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,955.63 : 128,278.79 = 50,514.06 : x
  2. Step 2: Convert to fraction form
    92,955.63/128,278.79 = 50,514.06/x
  3. Step 3: Cross multiply
    92,955.63x = 128,278.79 × 50,514.06
  4. Step 4: Simplify right side
    92,955.63x = 6,479,882,494.79
  5. Step 5: Solve for x
    x = 6,479,882,494.79/92,955.63
  6. Step 6: Final answer
    x = 69,709.41

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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.