Home / 84,237.37-116,294.27-57,419.28

Finding the Fourth Proportional to 84,237.37, 116,294.27 and 57,419.28

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Solution

The fourth proportional to 84,237.37, 116,294.27 and 57,419.28 is: 79,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,237.37 : 116,294.27 = 57,419.28 : x
  2. Step 2: Convert to fraction form
    84,237.37/116,294.27 = 57,419.28/x
  3. Step 3: Cross multiply
    84,237.37x = 116,294.27 × 57,419.28
  4. Step 4: Simplify right side
    84,237.37x = 6,677,532,964.43
  5. Step 5: Solve for x
    x = 6,677,532,964.43/84,237.37
  6. Step 6: Final answer
    x = 79,270.44

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1.5x scale

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.