Home / 72,860.33-100,552.45-40,597.63

Finding the Fourth Proportional to 72,860.33, 100,552.45 and 40,597.63

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Solution

The fourth proportional to 72,860.33, 100,552.45 and 40,597.63 is: 56,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,860.33 : 100,552.45 = 40,597.63 : x
  2. Step 2: Convert to fraction form
    72,860.33/100,552.45 = 40,597.63/x
  3. Step 3: Cross multiply
    72,860.33x = 100,552.45 × 40,597.63
  4. Step 4: Simplify right side
    72,860.33x = 4,082,191,160.69
  5. Step 5: Solve for x
    x = 4,082,191,160.69/72,860.33
  6. Step 6: Final answer
    x = 56,027.62

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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.