Home / 55,390.80-76,437.37-34,169.52

Finding the Fourth Proportional to 55,390.80, 76,437.37 and 34,169.52

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Solution

The fourth proportional to 55,390.80, 76,437.37 and 34,169.52 is: 47,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390.80 : 76,437.37 = 34,169.52 : x
  2. Step 2: Convert to fraction form
    55,390.80/76,437.37 = 34,169.52/x
  3. Step 3: Cross multiply
    55,390.80x = 76,437.37 × 34,169.52
  4. Step 4: Simplify right side
    55,390.80x = 2,611,828,242.96
  5. Step 5: Solve for x
    x = 2,611,828,242.96/55,390.80
  6. Step 6: Final answer
    x = 47,152.74

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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.