Home / 84,301.10-116,200.41-57,068.60

Finding the Fourth Proportional to 84,301.10, 116,200.41 and 57,068.60

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Solution

The fourth proportional to 84,301.10, 116,200.41 and 57,068.60 is: 78,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,301.10 : 116,200.41 = 57,068.60 : x
  2. Step 2: Convert to fraction form
    84,301.10/116,200.41 = 57,068.60/x
  3. Step 3: Cross multiply
    84,301.10x = 116,200.41 × 57,068.60
  4. Step 4: Simplify right side
    84,301.10x = 6,631,393,851.78
  5. Step 5: Solve for x
    x = 6,631,393,851.78/84,301.10
  6. Step 6: Final answer
    x = 78,663.19

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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.