Home / 73,685.03-110,539.79-29,312.21

Finding the Fourth Proportional to 73,685.03, 110,539.79 and 29,312.21

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Solution

The fourth proportional to 73,685.03, 110,539.79 and 29,312.21 is: 43,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685.03 : 110,539.79 = 29,312.21 : x
  2. Step 2: Convert to fraction form
    73,685.03/110,539.79 = 29,312.21/x
  3. Step 3: Cross multiply
    73,685.03x = 110,539.79 × 29,312.21
  4. Step 4: Simplify right side
    73,685.03x = 3,240,164,838.58
  5. Step 5: Solve for x
    x = 3,240,164,838.58/73,685.03
  6. Step 6: Final answer
    x = 43,973.18

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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.