Home / 45,705.36-63,054.84-29,784

Finding the Fourth Proportional to 45,705.36, 63,054.84 and 29,784

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Solution

The fourth proportional to 45,705.36, 63,054.84 and 29,784 is: 41,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.36 : 63,054.84 = 29,784 : x
  2. Step 2: Convert to fraction form
    45,705.36/63,054.84 = 29,784/x
  3. Step 3: Cross multiply
    45,705.36x = 63,054.84 × 29,784
  4. Step 4: Simplify right side
    45,705.36x = 1,878,025,354.56
  5. Step 5: Solve for x
    x = 1,878,025,354.56/45,705.36
  6. Step 6: Final answer
    x = 41,089.83

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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.