Home / 72,938.88-100,664.57-41,113.57

Finding the Fourth Proportional to 72,938.88, 100,664.57 and 41,113.57

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Solution

The fourth proportional to 72,938.88, 100,664.57 and 41,113.57 is: 56,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,938.88 : 100,664.57 = 41,113.57 : x
  2. Step 2: Convert to fraction form
    72,938.88/100,664.57 = 41,113.57/x
  3. Step 3: Cross multiply
    72,938.88x = 100,664.57 × 41,113.57
  4. Step 4: Simplify right side
    72,938.88x = 4,138,679,845.21
  5. Step 5: Solve for x
    x = 4,138,679,845.21/72,938.88
  6. Step 6: Final answer
    x = 56,741.75

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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.