Home / 55,055.80-75,973.26-29,904.76

Finding the Fourth Proportional to 55,055.80, 75,973.26 and 29,904.76

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Solution

The fourth proportional to 55,055.80, 75,973.26 and 29,904.76 is: 41,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.80 : 75,973.26 = 29,904.76 : x
  2. Step 2: Convert to fraction form
    55,055.80/75,973.26 = 29,904.76/x
  3. Step 3: Cross multiply
    55,055.80x = 75,973.26 × 29,904.76
  4. Step 4: Simplify right side
    55,055.80x = 2,271,962,106.72
  5. Step 5: Solve for x
    x = 2,271,962,106.72/55,055.80
  6. Step 6: Final answer
    x = 41,266.54

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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.