Home / 102,396.16-141,304.96-57,684.48

Finding the Fourth Proportional to 102,396.16, 141,304.96 and 57,684.48

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Solution

The fourth proportional to 102,396.16, 141,304.96 and 57,684.48 is: 79,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,396.16 : 141,304.96 = 57,684.48 : x
  2. Step 2: Convert to fraction form
    102,396.16/141,304.96 = 57,684.48/x
  3. Step 3: Cross multiply
    102,396.16x = 141,304.96 × 57,684.48
  4. Step 4: Simplify right side
    102,396.16x = 8,151,103,139.02
  5. Step 5: Solve for x
    x = 8,151,103,139.02/102,396.16
  6. Step 6: Final answer
    x = 79,603.60

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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.