Home / 75,627.47-104,368.40-41,638.46

Finding the Fourth Proportional to 75,627.47, 104,368.40 and 41,638.46

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Solution

The fourth proportional to 75,627.47, 104,368.40 and 41,638.46 is: 57,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.47 : 104,368.40 = 41,638.46 : x
  2. Step 2: Convert to fraction form
    75,627.47/104,368.40 = 41,638.46/x
  3. Step 3: Cross multiply
    75,627.47x = 104,368.40 × 41,638.46
  4. Step 4: Simplify right side
    75,627.47x = 4,345,738,874.77
  5. Step 5: Solve for x
    x = 4,345,738,874.77/75,627.47
  6. Step 6: Final answer
    x = 57,462.44

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1.5x scale

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.