Home / 86,950.04-119,983.56-50,645.84

Finding the Fourth Proportional to 86,950.04, 119,983.56 and 50,645.84

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Solution

The fourth proportional to 86,950.04, 119,983.56 and 50,645.84 is: 69,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,950.04 : 119,983.56 = 50,645.84 : x
  2. Step 2: Convert to fraction form
    86,950.04/119,983.56 = 50,645.84/x
  3. Step 3: Cross multiply
    86,950.04x = 119,983.56 × 50,645.84
  4. Step 4: Simplify right side
    86,950.04x = 6,076,668,182.39
  5. Step 5: Solve for x
    x = 6,076,668,182.39/86,950.04
  6. Step 6: Final answer
    x = 69,886.89

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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.