Home / 70,372.27-97,089.62-40,135.86

Finding the Fourth Proportional to 70,372.27, 97,089.62 and 40,135.86

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Solution

The fourth proportional to 70,372.27, 97,089.62 and 40,135.86 is: 55,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.27 : 97,089.62 = 40,135.86 : x
  2. Step 2: Convert to fraction form
    70,372.27/97,089.62 = 40,135.86/x
  3. Step 3: Cross multiply
    70,372.27x = 97,089.62 × 40,135.86
  4. Step 4: Simplify right side
    70,372.27x = 3,896,774,709.65
  5. Step 5: Solve for x
    x = 3,896,774,709.65/70,372.27
  6. Step 6: Final answer
    x = 55,373.72

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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.