Home / 86,169.69-129,254.40-33,616.08

Finding the Fourth Proportional to 86,169.69, 129,254.40 and 33,616.08

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Solution

The fourth proportional to 86,169.69, 129,254.40 and 33,616.08 is: 50,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,169.69 : 129,254.40 = 33,616.08 : x
  2. Step 2: Convert to fraction form
    86,169.69/129,254.40 = 33,616.08/x
  3. Step 3: Cross multiply
    86,169.69x = 129,254.40 × 33,616.08
  4. Step 4: Simplify right side
    86,169.69x = 4,345,026,250.75
  5. Step 5: Solve for x
    x = 4,345,026,250.75/86,169.69
  6. Step 6: Final answer
    x = 50,424.07

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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.