Home / 55,053.30-75,973.63-29,902.80

Finding the Fourth Proportional to 55,053.30, 75,973.63 and 29,902.80

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Solution

The fourth proportional to 55,053.30, 75,973.63 and 29,902.80 is: 41,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.30 : 75,973.63 = 29,902.80 : x
  2. Step 2: Convert to fraction form
    55,053.30/75,973.63 = 29,902.80/x
  3. Step 3: Cross multiply
    55,053.30x = 75,973.63 × 29,902.80
  4. Step 4: Simplify right side
    55,053.30x = 2,271,824,263.16
  5. Step 5: Solve for x
    x = 2,271,824,263.16/55,053.30
  6. Step 6: Final answer
    x = 41,265.91

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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.