Home / 72,240.40-99,699.26-41,614.55

Finding the Fourth Proportional to 72,240.40, 99,699.26 and 41,614.55

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Solution

The fourth proportional to 72,240.40, 99,699.26 and 41,614.55 is: 57,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240.40 : 99,699.26 = 41,614.55 : x
  2. Step 2: Convert to fraction form
    72,240.40/99,699.26 = 41,614.55/x
  3. Step 3: Cross multiply
    72,240.40x = 99,699.26 × 41,614.55
  4. Step 4: Simplify right side
    72,240.40x = 4,148,939,881.41
  5. Step 5: Solve for x
    x = 4,148,939,881.41/72,240.40
  6. Step 6: Final answer
    x = 57,432.41

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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.