Home / 58,239.69-80,421.18-55,250.31

Finding the Fourth Proportional to 58,239.69, 80,421.18 and 55,250.31

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Solution

The fourth proportional to 58,239.69, 80,421.18 and 55,250.31 is: 76,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,239.69 : 80,421.18 = 55,250.31 : x
  2. Step 2: Convert to fraction form
    58,239.69/80,421.18 = 55,250.31/x
  3. Step 3: Cross multiply
    58,239.69x = 80,421.18 × 55,250.31
  4. Step 4: Simplify right side
    58,239.69x = 4,443,295,125.57
  5. Step 5: Solve for x
    x = 4,443,295,125.57/58,239.69
  6. Step 6: Final answer
    x = 76,293.25

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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.