Home / 72,764.42-100,409.48-40,927.16

Finding the Fourth Proportional to 72,764.42, 100,409.48 and 40,927.16

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Solution

The fourth proportional to 72,764.42, 100,409.48 and 40,927.16 is: 56,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,764.42 : 100,409.48 = 40,927.16 : x
  2. Step 2: Convert to fraction form
    72,764.42/100,409.48 = 40,927.16/x
  3. Step 3: Cross multiply
    72,764.42x = 100,409.48 × 40,927.16
  4. Step 4: Simplify right side
    72,764.42x = 4,109,474,853.48
  5. Step 5: Solve for x
    x = 4,109,474,853.48/72,764.42
  6. Step 6: Final answer
    x = 56,476.43

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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.