Home / 72,280.22-99,727.74-41,645.81

Finding the Fourth Proportional to 72,280.22, 99,727.74 and 41,645.81

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Solution

The fourth proportional to 72,280.22, 99,727.74 and 41,645.81 is: 57,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,280.22 : 99,727.74 = 41,645.81 : x
  2. Step 2: Convert to fraction form
    72,280.22/99,727.74 = 41,645.81/x
  3. Step 3: Cross multiply
    72,280.22x = 99,727.74 × 41,645.81
  4. Step 4: Simplify right side
    72,280.22x = 4,153,242,511.77
  5. Step 5: Solve for x
    x = 4,153,242,511.77/72,280.22
  6. Step 6: Final answer
    x = 57,460.29

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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.