Home / 72,239.81-99,670.19-41,607.23

Finding the Fourth Proportional to 72,239.81, 99,670.19 and 41,607.23

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Solution

The fourth proportional to 72,239.81, 99,670.19 and 41,607.23 is: 57,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,239.81 : 99,670.19 = 41,607.23 : x
  2. Step 2: Convert to fraction form
    72,239.81/99,670.19 = 41,607.23/x
  3. Step 3: Cross multiply
    72,239.81x = 99,670.19 × 41,607.23
  4. Step 4: Simplify right side
    72,239.81x = 4,146,999,813.09
  5. Step 5: Solve for x
    x = 4,146,999,813.09/72,239.81
  6. Step 6: Final answer
    x = 57,406.02

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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.