Home / 107,130.96-147,831.44-61,190.37

Finding the Fourth Proportional to 107,130.96, 147,831.44 and 61,190.37

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Solution

The fourth proportional to 107,130.96, 147,831.44 and 61,190.37 is: 84,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.96 : 147,831.44 = 61,190.37 : x
  2. Step 2: Convert to fraction form
    107,130.96/147,831.44 = 61,190.37/x
  3. Step 3: Cross multiply
    107,130.96x = 147,831.44 × 61,190.37
  4. Step 4: Simplify right side
    107,130.96x = 9,045,860,511.23
  5. Step 5: Solve for x
    x = 9,045,860,511.23/107,130.96
  6. Step 6: Final answer
    x = 84,437.41

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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.