Home / 84,678.16-116,857.47-46,435.43

Finding the Fourth Proportional to 84,678.16, 116,857.47 and 46,435.43

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Solution

The fourth proportional to 84,678.16, 116,857.47 and 46,435.43 is: 64,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,678.16 : 116,857.47 = 46,435.43 : x
  2. Step 2: Convert to fraction form
    84,678.16/116,857.47 = 46,435.43/x
  3. Step 3: Cross multiply
    84,678.16x = 116,857.47 × 46,435.43
  4. Step 4: Simplify right side
    84,678.16x = 5,426,326,868.16
  5. Step 5: Solve for x
    x = 5,426,326,868.16/84,678.16
  6. Step 6: Final answer
    x = 64,081.78

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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.