Home / 84,343.26-116,318.32-69,980.36

Finding the Fourth Proportional to 84,343.26, 116,318.32 and 69,980.36

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Solution

The fourth proportional to 84,343.26, 116,318.32 and 69,980.36 is: 96,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,343.26 : 116,318.32 = 69,980.36 : x
  2. Step 2: Convert to fraction form
    84,343.26/116,318.32 = 69,980.36/x
  3. Step 3: Cross multiply
    84,343.26x = 116,318.32 × 69,980.36
  4. Step 4: Simplify right side
    84,343.26x = 8,139,997,260.70
  5. Step 5: Solve for x
    x = 8,139,997,260.70/84,343.26
  6. Step 6: Final answer
    x = 96,510.34

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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.