Home / 55,619.30-76,561.80-48,533.42

Finding the Fourth Proportional to 55,619.30, 76,561.80 and 48,533.42

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Solution

The fourth proportional to 55,619.30, 76,561.80 and 48,533.42 is: 66,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.30 : 76,561.80 = 48,533.42 : x
  2. Step 2: Convert to fraction form
    55,619.30/76,561.80 = 48,533.42/x
  3. Step 3: Cross multiply
    55,619.30x = 76,561.80 × 48,533.42
  4. Step 4: Simplify right side
    55,619.30x = 3,715,805,995.36
  5. Step 5: Solve for x
    x = 3,715,805,995.36/55,619.30
  6. Step 6: Final answer
    x = 66,807.85

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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.