Home / 86,551.38-119,441.79-50,742.36

Finding the Fourth Proportional to 86,551.38, 119,441.79 and 50,742.36

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Solution

The fourth proportional to 86,551.38, 119,441.79 and 50,742.36 is: 70,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551.38 : 119,441.79 = 50,742.36 : x
  2. Step 2: Convert to fraction form
    86,551.38/119,441.79 = 50,742.36/x
  3. Step 3: Cross multiply
    86,551.38x = 119,441.79 × 50,742.36
  4. Step 4: Simplify right side
    86,551.38x = 6,060,758,307.22
  5. Step 5: Solve for x
    x = 6,060,758,307.22/86,551.38
  6. Step 6: Final answer
    x = 70,024.98

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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.