Home / 107,895.86-148,902.80-60,149.06

Finding the Fourth Proportional to 107,895.86, 148,902.80 and 60,149.06

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Solution

The fourth proportional to 107,895.86, 148,902.80 and 60,149.06 is: 83,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,895.86 : 148,902.80 = 60,149.06 : x
  2. Step 2: Convert to fraction form
    107,895.86/148,902.80 = 60,149.06/x
  3. Step 3: Cross multiply
    107,895.86x = 148,902.80 × 60,149.06
  4. Step 4: Simplify right side
    107,895.86x = 8,956,362,406.11
  5. Step 5: Solve for x
    x = 8,956,362,406.11/107,895.86
  6. Step 6: Final answer
    x = 83,009.33

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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.