Home / 70,895.78-97,835.36-40,268.67

Finding the Fourth Proportional to 70,895.78, 97,835.36 and 40,268.67

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Solution

The fourth proportional to 70,895.78, 97,835.36 and 40,268.67 is: 55,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,895.78 : 97,835.36 = 40,268.67 : x
  2. Step 2: Convert to fraction form
    70,895.78/97,835.36 = 40,268.67/x
  3. Step 3: Cross multiply
    70,895.78x = 97,835.36 × 40,268.67
  4. Step 4: Simplify right side
    70,895.78x = 3,939,699,826.17
  5. Step 5: Solve for x
    x = 3,939,699,826.17/70,895.78
  6. Step 6: Final answer
    x = 55,570.30

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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.