Home / 84,313.23-116,406.51-54,111.57

Finding the Fourth Proportional to 84,313.23, 116,406.51 and 54,111.57

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Solution

The fourth proportional to 84,313.23, 116,406.51 and 54,111.57 is: 74,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313.23 : 116,406.51 = 54,111.57 : x
  2. Step 2: Convert to fraction form
    84,313.23/116,406.51 = 54,111.57/x
  3. Step 3: Cross multiply
    84,313.23x = 116,406.51 × 54,111.57
  4. Step 4: Simplify right side
    84,313.23x = 6,298,939,014.32
  5. Step 5: Solve for x
    x = 6,298,939,014.32/84,313.23
  6. Step 6: Final answer
    x = 74,708.79

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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.