Home / 55,437.75-76,476.69-39,308.49

Finding the Fourth Proportional to 55,437.75, 76,476.69 and 39,308.49

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Solution

The fourth proportional to 55,437.75, 76,476.69 and 39,308.49 is: 54,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.75 : 76,476.69 = 39,308.49 : x
  2. Step 2: Convert to fraction form
    55,437.75/76,476.69 = 39,308.49/x
  3. Step 3: Cross multiply
    55,437.75x = 76,476.69 × 39,308.49
  4. Step 4: Simplify right side
    55,437.75x = 3,006,183,204.10
  5. Step 5: Solve for x
    x = 3,006,183,204.10/55,437.75
  6. Step 6: Final answer
    x = 54,226.28

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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.