Home / 72,056.18-107,895.65-50,881.77

Finding the Fourth Proportional to 72,056.18, 107,895.65 and 50,881.77

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Solution

The fourth proportional to 72,056.18, 107,895.65 and 50,881.77 is: 76,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,056.18 : 107,895.65 = 50,881.77 : x
  2. Step 2: Convert to fraction form
    72,056.18/107,895.65 = 50,881.77/x
  3. Step 3: Cross multiply
    72,056.18x = 107,895.65 × 50,881.77
  4. Step 4: Simplify right side
    72,056.18x = 5,489,921,392.89
  5. Step 5: Solve for x
    x = 5,489,921,392.89/72,056.18
  6. Step 6: Final answer
    x = 76,189.46

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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.