Home / 40,703.59-61,064.12-12,623.04

Finding the Fourth Proportional to 40,703.59, 61,064.12 and 12,623.04

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Solution

The fourth proportional to 40,703.59, 61,064.12 and 12,623.04 is: 18,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,703.59 : 61,064.12 = 12,623.04 : x
  2. Step 2: Convert to fraction form
    40,703.59/61,064.12 = 12,623.04/x
  3. Step 3: Cross multiply
    40,703.59x = 61,064.12 × 12,623.04
  4. Step 4: Simplify right side
    40,703.59x = 770,814,829.32
  5. Step 5: Solve for x
    x = 770,814,829.32/40,703.59
  6. Step 6: Final answer
    x = 18,937.27

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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.