Home / 86,533.21-119,417.39-50,749.03

Finding the Fourth Proportional to 86,533.21, 119,417.39 and 50,749.03

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Solution

The fourth proportional to 86,533.21, 119,417.39 and 50,749.03 is: 70,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,533.21 : 119,417.39 = 50,749.03 : x
  2. Step 2: Convert to fraction form
    86,533.21/119,417.39 = 50,749.03/x
  3. Step 3: Cross multiply
    86,533.21x = 119,417.39 × 50,749.03
  4. Step 4: Simplify right side
    86,533.21x = 6,060,316,453.89
  5. Step 5: Solve for x
    x = 6,060,316,453.89/86,533.21
  6. Step 6: Final answer
    x = 70,034.57

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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.