Home / 72,594.05-100,174.07-40,756.79

Finding the Fourth Proportional to 72,594.05, 100,174.07 and 40,756.79

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Solution

The fourth proportional to 72,594.05, 100,174.07 and 40,756.79 is: 56,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,594.05 : 100,174.07 = 40,756.79 : x
  2. Step 2: Convert to fraction form
    72,594.05/100,174.07 = 40,756.79/x
  3. Step 3: Cross multiply
    72,594.05x = 100,174.07 × 40,756.79
  4. Step 4: Simplify right side
    72,594.05x = 4,082,773,886.76
  5. Step 5: Solve for x
    x = 4,082,773,886.76/72,594.05
  6. Step 6: Final answer
    x = 56,241.17

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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.