Home / 84,012.81-115,937.61-46,287.06

Finding the Fourth Proportional to 84,012.81, 115,937.61 and 46,287.06

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Solution

The fourth proportional to 84,012.81, 115,937.61 and 46,287.06 is: 63,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,012.81 : 115,937.61 = 46,287.06 : x
  2. Step 2: Convert to fraction form
    84,012.81/115,937.61 = 46,287.06/x
  3. Step 3: Cross multiply
    84,012.81x = 115,937.61 × 46,287.06
  4. Step 4: Simplify right side
    84,012.81x = 5,366,410,530.64
  5. Step 5: Solve for x
    x = 5,366,410,530.64/84,012.81
  6. Step 6: Final answer
    x = 63,876.10

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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.