Home / 92,939.54-128,256.36-50,498.24

Finding the Fourth Proportional to 92,939.54, 128,256.36 and 50,498.24

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Solution

The fourth proportional to 92,939.54, 128,256.36 and 50,498.24 is: 69,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,939.54 : 128,256.36 = 50,498.24 : x
  2. Step 2: Convert to fraction form
    92,939.54/128,256.36 = 50,498.24/x
  3. Step 3: Cross multiply
    92,939.54x = 128,256.36 × 50,498.24
  4. Step 4: Simplify right side
    92,939.54x = 6,476,720,448.81
  5. Step 5: Solve for x
    x = 6,476,720,448.81/92,939.54
  6. Step 6: Final answer
    x = 69,687.46

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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.