Home / 102,583.14-141,548.76-57,258.78

Finding the Fourth Proportional to 102,583.14, 141,548.76 and 57,258.78

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Solution

The fourth proportional to 102,583.14, 141,548.76 and 57,258.78 is: 79,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,583.14 : 141,548.76 = 57,258.78 : x
  2. Step 2: Convert to fraction form
    102,583.14/141,548.76 = 57,258.78/x
  3. Step 3: Cross multiply
    102,583.14x = 141,548.76 × 57,258.78
  4. Step 4: Simplify right side
    102,583.14x = 8,104,909,308.11
  5. Step 5: Solve for x
    x = 8,104,909,308.11/102,583.14
  6. Step 6: Final answer
    x = 79,008.20

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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.