Home / 84,153.12-116,131.68-46,428.48

Finding the Fourth Proportional to 84,153.12, 116,131.68 and 46,428.48

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Solution

The fourth proportional to 84,153.12, 116,131.68 and 46,428.48 is: 64,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,153.12 : 116,131.68 = 46,428.48 : x
  2. Step 2: Convert to fraction form
    84,153.12/116,131.68 = 46,428.48/x
  3. Step 3: Cross multiply
    84,153.12x = 116,131.68 × 46,428.48
  4. Step 4: Simplify right side
    84,153.12x = 5,391,817,382.25
  5. Step 5: Solve for x
    x = 5,391,817,382.25/84,153.12
  6. Step 6: Final answer
    x = 64,071.51

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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.