Home / 70,927.86-97,889.31-40,722.65

Finding the Fourth Proportional to 70,927.86, 97,889.31 and 40,722.65

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Solution

The fourth proportional to 70,927.86, 97,889.31 and 40,722.65 is: 56,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.86 : 97,889.31 = 40,722.65 : x
  2. Step 2: Convert to fraction form
    70,927.86/97,889.31 = 40,722.65/x
  3. Step 3: Cross multiply
    70,927.86x = 97,889.31 × 40,722.65
  4. Step 4: Simplify right side
    70,927.86x = 3,986,311,620.42
  5. Step 5: Solve for x
    x = 3,986,311,620.42/70,927.86
  6. Step 6: Final answer
    x = 56,202.34

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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.