Home / 84,185.12-116,170.56-46,459.28

Finding the Fourth Proportional to 84,185.12, 116,170.56 and 46,459.28

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Solution

The fourth proportional to 84,185.12, 116,170.56 and 46,459.28 is: 64,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,185.12 : 116,170.56 = 46,459.28 : x
  2. Step 2: Convert to fraction form
    84,185.12/116,170.56 = 46,459.28/x
  3. Step 3: Cross multiply
    84,185.12x = 116,170.56 × 46,459.28
  4. Step 4: Simplify right side
    84,185.12x = 5,397,200,574.80
  5. Step 5: Solve for x
    x = 5,397,200,574.80/84,185.12
  6. Step 6: Final answer
    x = 64,111.10

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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.