Home / 92,972.41-128,300.96-50,530.64

Finding the Fourth Proportional to 92,972.41, 128,300.96 and 50,530.64

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Solution

The fourth proportional to 92,972.41, 128,300.96 and 50,530.64 is: 69,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.41 : 128,300.96 = 50,530.64 : x
  2. Step 2: Convert to fraction form
    92,972.41/128,300.96 = 50,530.64/x
  3. Step 3: Cross multiply
    92,972.41x = 128,300.96 × 50,530.64
  4. Step 4: Simplify right side
    92,972.41x = 6,483,129,106.24
  5. Step 5: Solve for x
    x = 6,483,129,106.24/92,972.41
  6. Step 6: Final answer
    x = 69,731.75

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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.