Home / 74,127.16-102,293.59-41,421.84

Finding the Fourth Proportional to 74,127.16, 102,293.59 and 41,421.84

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Solution

The fourth proportional to 74,127.16, 102,293.59 and 41,421.84 is: 57,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.16 : 102,293.59 = 41,421.84 : x
  2. Step 2: Convert to fraction form
    74,127.16/102,293.59 = 41,421.84/x
  3. Step 3: Cross multiply
    74,127.16x = 102,293.59 × 41,421.84
  4. Step 4: Simplify right side
    74,127.16x = 4,237,188,718.01
  5. Step 5: Solve for x
    x = 4,237,188,718.01/74,127.16
  6. Step 6: Final answer
    x = 57,161.08

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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.