Home / 92,731.96-127,968.84-50,289.64

Finding the Fourth Proportional to 92,731.96, 127,968.84 and 50,289.64

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Solution

The fourth proportional to 92,731.96, 127,968.84 and 50,289.64 is: 69,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,731.96 : 127,968.84 = 50,289.64 : x
  2. Step 2: Convert to fraction form
    92,731.96/127,968.84 = 50,289.64/x
  3. Step 3: Cross multiply
    92,731.96x = 127,968.84 × 50,289.64
  4. Step 4: Simplify right side
    92,731.96x = 6,435,506,894.82
  5. Step 5: Solve for x
    x = 6,435,506,894.82/92,731.96
  6. Step 6: Final answer
    x = 69,399.02

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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.