Home / 56,619.80-78,139.68-33,959.66

Finding the Fourth Proportional to 56,619.80, 78,139.68 and 33,959.66

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Solution

The fourth proportional to 56,619.80, 78,139.68 and 33,959.66 is: 46,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,619.80 : 78,139.68 = 33,959.66 : x
  2. Step 2: Convert to fraction form
    56,619.80/78,139.68 = 33,959.66/x
  3. Step 3: Cross multiply
    56,619.80x = 78,139.68 × 33,959.66
  4. Step 4: Simplify right side
    56,619.80x = 2,653,596,965.31
  5. Step 5: Solve for x
    x = 2,653,596,965.31/56,619.80
  6. Step 6: Final answer
    x = 46,866.94

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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.