Home / 84,011.08-115,935.30-46,285

Finding the Fourth Proportional to 84,011.08, 115,935.30 and 46,285

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Solution

The fourth proportional to 84,011.08, 115,935.30 and 46,285 is: 63,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,011.08 : 115,935.30 = 46,285 : x
  2. Step 2: Convert to fraction form
    84,011.08/115,935.30 = 46,285/x
  3. Step 3: Cross multiply
    84,011.08x = 115,935.30 × 46,285
  4. Step 4: Simplify right side
    84,011.08x = 5,366,065,360.50
  5. Step 5: Solve for x
    x = 5,366,065,360.50/84,011.08
  6. Step 6: Final answer
    x = 63,873.31

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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.