Home / 53,775.78-74,212.29-29,903.46

Finding the Fourth Proportional to 53,775.78, 74,212.29 and 29,903.46

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Solution

The fourth proportional to 53,775.78, 74,212.29 and 29,903.46 is: 41,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,775.78 : 74,212.29 = 29,903.46 : x
  2. Step 2: Convert to fraction form
    53,775.78/74,212.29 = 29,903.46/x
  3. Step 3: Cross multiply
    53,775.78x = 74,212.29 × 29,903.46
  4. Step 4: Simplify right side
    53,775.78x = 2,219,204,245.52
  5. Step 5: Solve for x
    x = 2,219,204,245.52/53,775.78
  6. Step 6: Final answer
    x = 41,267.73

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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.