Home / 43,065.36-64,594.32-14,978.16

Finding the Fourth Proportional to 43,065.36, 64,594.32 and 14,978.16

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Solution

The fourth proportional to 43,065.36, 64,594.32 and 14,978.16 is: 22,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.36 : 64,594.32 = 14,978.16 : x
  2. Step 2: Convert to fraction form
    43,065.36/64,594.32 = 14,978.16/x
  3. Step 3: Cross multiply
    43,065.36x = 64,594.32 × 14,978.16
  4. Step 4: Simplify right side
    43,065.36x = 967,504,060.05
  5. Step 5: Solve for x
    x = 967,504,060.05/43,065.36
  6. Step 6: Final answer
    x = 22,465.95

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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.