Home / 84,215.68-116,216.64-46,489.12

Finding the Fourth Proportional to 84,215.68, 116,216.64 and 46,489.12

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Solution

The fourth proportional to 84,215.68, 116,216.64 and 46,489.12 is: 64,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,215.68 : 116,216.64 = 46,489.12 : x
  2. Step 2: Convert to fraction form
    84,215.68/116,216.64 = 46,489.12/x
  3. Step 3: Cross multiply
    84,215.68x = 116,216.64 × 46,489.12
  4. Step 4: Simplify right side
    84,215.68x = 5,402,809,322.96
  5. Step 5: Solve for x
    x = 5,402,809,322.96/84,215.68
  6. Step 6: Final answer
    x = 64,154.43

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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.