Home / 76,853.07-115,431.54-46,519.50

Finding the Fourth Proportional to 76,853.07, 115,431.54 and 46,519.50

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Solution

The fourth proportional to 76,853.07, 115,431.54 and 46,519.50 is: 69,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,853.07 : 115,431.54 = 46,519.50 : x
  2. Step 2: Convert to fraction form
    76,853.07/115,431.54 = 46,519.50/x
  3. Step 3: Cross multiply
    76,853.07x = 115,431.54 × 46,519.50
  4. Step 4: Simplify right side
    76,853.07x = 5,369,817,525.03
  5. Step 5: Solve for x
    x = 5,369,817,525.03/76,853.07
  6. Step 6: Final answer
    x = 69,871.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.