Home / 72,048.24-99,447.48-41,840.40

Finding the Fourth Proportional to 72,048.24, 99,447.48 and 41,840.40

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Solution

The fourth proportional to 72,048.24, 99,447.48 and 41,840.40 is: 57,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,048.24 : 99,447.48 = 41,840.40 : x
  2. Step 2: Convert to fraction form
    72,048.24/99,447.48 = 41,840.40/x
  3. Step 3: Cross multiply
    72,048.24x = 99,447.48 × 41,840.40
  4. Step 4: Simplify right side
    72,048.24x = 4,160,922,342.19
  5. Step 5: Solve for x
    x = 4,160,922,342.19/72,048.24
  6. Step 6: Final answer
    x = 57,751.89

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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.