Home / 110,437.09-165,664.03-42,940.13

Finding the Fourth Proportional to 110,437.09, 165,664.03 and 42,940.13

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Solution

The fourth proportional to 110,437.09, 165,664.03 and 42,940.13 is: 64,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,437.09 : 165,664.03 = 42,940.13 : x
  2. Step 2: Convert to fraction form
    110,437.09/165,664.03 = 42,940.13/x
  3. Step 3: Cross multiply
    110,437.09x = 165,664.03 × 42,940.13
  4. Step 4: Simplify right side
    110,437.09x = 7,113,634,831.12
  5. Step 5: Solve for x
    x = 7,113,634,831.12/110,437.09
  6. Step 6: Final answer
    x = 64,413.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.