Home / 55,050.80-75,970-29,900.24

Finding the Fourth Proportional to 55,050.80, 75,970 and 29,900.24

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Solution

The fourth proportional to 55,050.80, 75,970 and 29,900.24 is: 41,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.80 : 75,970 = 29,900.24 : x
  2. Step 2: Convert to fraction form
    55,050.80/75,970 = 29,900.24/x
  3. Step 3: Cross multiply
    55,050.80x = 75,970 × 29,900.24
  4. Step 4: Simplify right side
    55,050.80x = 2,271,521,232.80
  5. Step 5: Solve for x
    x = 2,271,521,232.80/55,050.80
  6. Step 6: Final answer
    x = 41,262.27

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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.