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Finding the Fourth Proportional to 70,804.44, 97,710.44 and 40,591.51

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Solution

The fourth proportional to 70,804.44, 97,710.44 and 40,591.51 is: 56,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,804.44 : 97,710.44 = 40,591.51 : x
  2. Step 2: Convert to fraction form
    70,804.44/97,710.44 = 40,591.51/x
  3. Step 3: Cross multiply
    70,804.44x = 97,710.44 × 40,591.51
  4. Step 4: Simplify right side
    70,804.44x = 3,966,213,855.13
  5. Step 5: Solve for x
    x = 3,966,213,855.13/70,804.44
  6. Step 6: Final answer
    x = 56,016.46

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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.