Home / 70,322.45-97,047.65-40,112.69

Finding the Fourth Proportional to 70,322.45, 97,047.65 and 40,112.69

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Solution

The fourth proportional to 70,322.45, 97,047.65 and 40,112.69 is: 55,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322.45 : 97,047.65 = 40,112.69 : x
  2. Step 2: Convert to fraction form
    70,322.45/97,047.65 = 40,112.69/x
  3. Step 3: Cross multiply
    70,322.45x = 97,047.65 × 40,112.69
  4. Step 4: Simplify right side
    70,322.45x = 3,892,841,914.72
  5. Step 5: Solve for x
    x = 3,892,841,914.72/70,322.45
  6. Step 6: Final answer
    x = 55,357.03

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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.