Home / 72,869.07-100,559.61-41,038.50

Finding the Fourth Proportional to 72,869.07, 100,559.61 and 41,038.50

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Solution

The fourth proportional to 72,869.07, 100,559.61 and 41,038.50 is: 56,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,869.07 : 100,559.61 = 41,038.50 : x
  2. Step 2: Convert to fraction form
    72,869.07/100,559.61 = 41,038.50/x
  3. Step 3: Cross multiply
    72,869.07x = 100,559.61 × 41,038.50
  4. Step 4: Simplify right side
    72,869.07x = 4,126,815,554.99
  5. Step 5: Solve for x
    x = 4,126,815,554.99/72,869.07
  6. Step 6: Final answer
    x = 56,633.30

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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.