Home / 75,271.41-112,926.11-53,128.04

Finding the Fourth Proportional to 75,271.41, 112,926.11 and 53,128.04

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Solution

The fourth proportional to 75,271.41, 112,926.11 and 53,128.04 is: 79,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.41 : 112,926.11 = 53,128.04 : x
  2. Step 2: Convert to fraction form
    75,271.41/112,926.11 = 53,128.04/x
  3. Step 3: Cross multiply
    75,271.41x = 112,926.11 × 53,128.04
  4. Step 4: Simplify right side
    75,271.41x = 5,999,542,482.33
  5. Step 5: Solve for x
    x = 5,999,542,482.33/75,271.41
  6. Step 6: Final answer
    x = 79,705.46

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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.