Home / 66,445.31-99,684.37-19,698.19

Finding the Fourth Proportional to 66,445.31, 99,684.37 and 19,698.19

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Solution

The fourth proportional to 66,445.31, 99,684.37 and 19,698.19 is: 29,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445.31 : 99,684.37 = 19,698.19 : x
  2. Step 2: Convert to fraction form
    66,445.31/99,684.37 = 19,698.19/x
  3. Step 3: Cross multiply
    66,445.31x = 99,684.37 × 19,698.19
  4. Step 4: Simplify right side
    66,445.31x = 1,963,601,435.70
  5. Step 5: Solve for x
    x = 1,963,601,435.70/66,445.31
  6. Step 6: Final answer
    x = 29,552.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.