Home / 74,678.44-103,055.16-42,846.64

Finding the Fourth Proportional to 74,678.44, 103,055.16 and 42,846.64

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Solution

The fourth proportional to 74,678.44, 103,055.16 and 42,846.64 is: 59,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,678.44 : 103,055.16 = 42,846.64 : x
  2. Step 2: Convert to fraction form
    74,678.44/103,055.16 = 42,846.64/x
  3. Step 3: Cross multiply
    74,678.44x = 103,055.16 × 42,846.64
  4. Step 4: Simplify right side
    74,678.44x = 4,415,567,340.66
  5. Step 5: Solve for x
    x = 4,415,567,340.66/74,678.44
  6. Step 6: Final answer
    x = 59,127.74

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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.