Home / 92,975.26-128,306.64-50,533.78

Finding the Fourth Proportional to 92,975.26, 128,306.64 and 50,533.78

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Solution

The fourth proportional to 92,975.26, 128,306.64 and 50,533.78 is: 69,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,975.26 : 128,306.64 = 50,533.78 : x
  2. Step 2: Convert to fraction form
    92,975.26/128,306.64 = 50,533.78/x
  3. Step 3: Cross multiply
    92,975.26x = 128,306.64 × 50,533.78
  4. Step 4: Simplify right side
    92,975.26x = 6,483,819,518.30
  5. Step 5: Solve for x
    x = 6,483,819,518.30/92,975.26
  6. Step 6: Final answer
    x = 69,737.04

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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.