Home / 74,564.51-102,937.15-57,530.48

Finding the Fourth Proportional to 74,564.51, 102,937.15 and 57,530.48

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Solution

The fourth proportional to 74,564.51, 102,937.15 and 57,530.48 is: 79,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.51 : 102,937.15 = 57,530.48 : x
  2. Step 2: Convert to fraction form
    74,564.51/102,937.15 = 57,530.48/x
  3. Step 3: Cross multiply
    74,564.51x = 102,937.15 × 57,530.48
  4. Step 4: Simplify right side
    74,564.51x = 5,922,023,361.68
  5. Step 5: Solve for x
    x = 5,922,023,361.68/74,564.51
  6. Step 6: Final answer
    x = 79,421.47

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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.