Home / 72,199.56-99,595.38-41,981.55

Finding the Fourth Proportional to 72,199.56, 99,595.38 and 41,981.55

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Solution

The fourth proportional to 72,199.56, 99,595.38 and 41,981.55 is: 57,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,199.56 : 99,595.38 = 41,981.55 : x
  2. Step 2: Convert to fraction form
    72,199.56/99,595.38 = 41,981.55/x
  3. Step 3: Cross multiply
    72,199.56x = 99,595.38 × 41,981.55
  4. Step 4: Simplify right side
    72,199.56x = 4,181,168,425.24
  5. Step 5: Solve for x
    x = 4,181,168,425.24/72,199.56
  6. Step 6: Final answer
    x = 57,911.27

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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.