Home / 86,283.72-129,406.14-33,666.12

Finding the Fourth Proportional to 86,283.72, 129,406.14 and 33,666.12

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Solution

The fourth proportional to 86,283.72, 129,406.14 and 33,666.12 is: 50,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,283.72 : 129,406.14 = 33,666.12 : x
  2. Step 2: Convert to fraction form
    86,283.72/129,406.14 = 33,666.12/x
  3. Step 3: Cross multiply
    86,283.72x = 129,406.14 × 33,666.12
  4. Step 4: Simplify right side
    86,283.72x = 4,356,602,637.98
  5. Step 5: Solve for x
    x = 4,356,602,637.98/86,283.72
  6. Step 6: Final answer
    x = 50,491.59

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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.