Home / 53,750.80-74,176.36-29,879.68

Finding the Fourth Proportional to 53,750.80, 74,176.36 and 29,879.68

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Solution

The fourth proportional to 53,750.80, 74,176.36 and 29,879.68 is: 41,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,750.80 : 74,176.36 = 29,879.68 : x
  2. Step 2: Convert to fraction form
    53,750.80/74,176.36 = 29,879.68/x
  3. Step 3: Cross multiply
    53,750.80x = 74,176.36 × 29,879.68
  4. Step 4: Simplify right side
    53,750.80x = 2,216,365,900.36
  5. Step 5: Solve for x
    x = 2,216,365,900.36/53,750.80
  6. Step 6: Final answer
    x = 41,234.10

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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.