Home / 72,948.41-100,662.77-41,125.13

Finding the Fourth Proportional to 72,948.41, 100,662.77 and 41,125.13

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Solution

The fourth proportional to 72,948.41, 100,662.77 and 41,125.13 is: 56,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,948.41 : 100,662.77 = 41,125.13 : x
  2. Step 2: Convert to fraction form
    72,948.41/100,662.77 = 41,125.13/x
  3. Step 3: Cross multiply
    72,948.41x = 100,662.77 × 41,125.13
  4. Step 4: Simplify right side
    72,948.41x = 4,139,768,793.47
  5. Step 5: Solve for x
    x = 4,139,768,793.47/72,948.41
  6. Step 6: Final answer
    x = 56,749.27

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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.