Home / 92,823.66-128,096.79-50,382.21

Finding the Fourth Proportional to 92,823.66, 128,096.79 and 50,382.21

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Solution

The fourth proportional to 92,823.66, 128,096.79 and 50,382.21 is: 69,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.66 : 128,096.79 = 50,382.21 : x
  2. Step 2: Convert to fraction form
    92,823.66/128,096.79 = 50,382.21/x
  3. Step 3: Cross multiply
    92,823.66x = 128,096.79 × 50,382.21
  4. Step 4: Simplify right side
    92,823.66x = 6,453,799,374.11
  5. Step 5: Solve for x
    x = 6,453,799,374.11/92,823.66
  6. Step 6: Final answer
    x = 69,527.53

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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.