Home / 47,784.18-71,678.98-14,505.32

Finding the Fourth Proportional to 47,784.18, 71,678.98 and 14,505.32

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Solution

The fourth proportional to 47,784.18, 71,678.98 and 14,505.32 is: 21,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,784.18 : 71,678.98 = 14,505.32 : x
  2. Step 2: Convert to fraction form
    47,784.18/71,678.98 = 14,505.32/x
  3. Step 3: Cross multiply
    47,784.18x = 71,678.98 × 14,505.32
  4. Step 4: Simplify right side
    47,784.18x = 1,039,726,542.17
  5. Step 5: Solve for x
    x = 1,039,726,542.17/47,784.18
  6. Step 6: Final answer
    x = 21,758.80

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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.