Home / 92,346.77-127,438.16-49,905.20

Finding the Fourth Proportional to 92,346.77, 127,438.16 and 49,905.20

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Solution

The fourth proportional to 92,346.77, 127,438.16 and 49,905.20 is: 68,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,346.77 : 127,438.16 = 49,905.20 : x
  2. Step 2: Convert to fraction form
    92,346.77/127,438.16 = 49,905.20/x
  3. Step 3: Cross multiply
    92,346.77x = 127,438.16 × 49,905.20
  4. Step 4: Simplify right side
    92,346.77x = 6,359,825,975.72
  5. Step 5: Solve for x
    x = 6,359,825,975.72/92,346.77
  6. Step 6: Final answer
    x = 68,868.96

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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.