Home / 72,988.54-100,718.02-41,165.26

Finding the Fourth Proportional to 72,988.54, 100,718.02 and 41,165.26

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Solution

The fourth proportional to 72,988.54, 100,718.02 and 41,165.26 is: 56,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,988.54 : 100,718.02 = 41,165.26 : x
  2. Step 2: Convert to fraction form
    72,988.54/100,718.02 = 41,165.26/x
  3. Step 3: Cross multiply
    72,988.54x = 100,718.02 × 41,165.26
  4. Step 4: Simplify right side
    72,988.54x = 4,146,083,479.99
  5. Step 5: Solve for x
    x = 4,146,083,479.99/72,988.54
  6. Step 6: Final answer
    x = 56,804.58

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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.