Home / 72,888.28-100,587.54-41,056.72

Finding the Fourth Proportional to 72,888.28, 100,587.54 and 41,056.72

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Solution

The fourth proportional to 72,888.28, 100,587.54 and 41,056.72 is: 56,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,888.28 : 100,587.54 = 41,056.72 : x
  2. Step 2: Convert to fraction form
    72,888.28/100,587.54 = 41,056.72/x
  3. Step 3: Cross multiply
    72,888.28x = 100,587.54 × 41,056.72
  4. Step 4: Simplify right side
    72,888.28x = 4,129,794,465.27
  5. Step 5: Solve for x
    x = 4,129,794,465.27/72,888.28
  6. Step 6: Final answer
    x = 56,659.24

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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.