Home / 54,061.30-74,639.70-48,386.21

Finding the Fourth Proportional to 54,061.30, 74,639.70 and 48,386.21

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Solution

The fourth proportional to 54,061.30, 74,639.70 and 48,386.21 is: 66,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,061.30 : 74,639.70 = 48,386.21 : x
  2. Step 2: Convert to fraction form
    54,061.30/74,639.70 = 48,386.21/x
  3. Step 3: Cross multiply
    54,061.30x = 74,639.70 × 48,386.21
  4. Step 4: Simplify right side
    54,061.30x = 3,611,532,198.54
  5. Step 5: Solve for x
    x = 3,611,532,198.54/54,061.30
  6. Step 6: Final answer
    x = 66,804.39

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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.