Home / 70,958.08-97,928.72-40,747.36

Finding the Fourth Proportional to 70,958.08, 97,928.72 and 40,747.36

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Solution

The fourth proportional to 70,958.08, 97,928.72 and 40,747.36 is: 56,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,958.08 : 97,928.72 = 40,747.36 : x
  2. Step 2: Convert to fraction form
    70,958.08/97,928.72 = 40,747.36/x
  3. Step 3: Cross multiply
    70,958.08x = 97,928.72 × 40,747.36
  4. Step 4: Simplify right side
    70,958.08x = 3,990,336,808.18
  5. Step 5: Solve for x
    x = 3,990,336,808.18/70,958.08
  6. Step 6: Final answer
    x = 56,235.13

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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.