Home / 92,757.42-128,004.71-50,315.04

Finding the Fourth Proportional to 92,757.42, 128,004.71 and 50,315.04

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Solution

The fourth proportional to 92,757.42, 128,004.71 and 50,315.04 is: 69,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,757.42 : 128,004.71 = 50,315.04 : x
  2. Step 2: Convert to fraction form
    92,757.42/128,004.71 = 50,315.04/x
  3. Step 3: Cross multiply
    92,757.42x = 128,004.71 × 50,315.04
  4. Step 4: Simplify right side
    92,757.42x = 6,440,561,852.26
  5. Step 5: Solve for x
    x = 6,440,561,852.26/92,757.42
  6. Step 6: Final answer
    x = 69,434.47

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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.