Home / 74,538.42-102,862.67-41,386.53

Finding the Fourth Proportional to 74,538.42, 102,862.67 and 41,386.53

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Solution

The fourth proportional to 74,538.42, 102,862.67 and 41,386.53 is: 57,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,538.42 : 102,862.67 = 41,386.53 : x
  2. Step 2: Convert to fraction form
    74,538.42/102,862.67 = 41,386.53/x
  3. Step 3: Cross multiply
    74,538.42x = 102,862.67 × 41,386.53
  4. Step 4: Simplify right side
    74,538.42x = 4,257,128,977.84
  5. Step 5: Solve for x
    x = 4,257,128,977.84/74,538.42
  6. Step 6: Final answer
    x = 57,113.22

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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.