Home / 86,570.21-129,913.64-33,973.49

Finding the Fourth Proportional to 86,570.21, 129,913.64 and 33,973.49

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Solution

The fourth proportional to 86,570.21, 129,913.64 and 33,973.49 is: 50,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,570.21 : 129,913.64 = 33,973.49 : x
  2. Step 2: Convert to fraction form
    86,570.21/129,913.64 = 33,973.49/x
  3. Step 3: Cross multiply
    86,570.21x = 129,913.64 × 33,973.49
  4. Step 4: Simplify right side
    86,570.21x = 4,413,619,749.40
  5. Step 5: Solve for x
    x = 4,413,619,749.40/86,570.21
  6. Step 6: Final answer
    x = 50,983.12

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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.