Home / 53,977.32-80,968.40-16,534.64

Finding the Fourth Proportional to 53,977.32, 80,968.40 and 16,534.64

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Solution

The fourth proportional to 53,977.32, 80,968.40 and 16,534.64 is: 24,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.32 : 80,968.40 = 16,534.64 : x
  2. Step 2: Convert to fraction form
    53,977.32/80,968.40 = 16,534.64/x
  3. Step 3: Cross multiply
    53,977.32x = 80,968.40 × 16,534.64
  4. Step 4: Simplify right side
    53,977.32x = 1,338,783,345.38
  5. Step 5: Solve for x
    x = 1,338,783,345.38/53,977.32
  6. Step 6: Final answer
    x = 24,802.70

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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.