Home / 99,271.33-137,001.36-56,250.43

Finding the Fourth Proportional to 99,271.33, 137,001.36 and 56,250.43

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Solution

The fourth proportional to 99,271.33, 137,001.36 and 56,250.43 is: 77,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271.33 : 137,001.36 = 56,250.43 : x
  2. Step 2: Convert to fraction form
    99,271.33/137,001.36 = 56,250.43/x
  3. Step 3: Cross multiply
    99,271.33x = 137,001.36 × 56,250.43
  4. Step 4: Simplify right side
    99,271.33x = 7,706,385,410.58
  5. Step 5: Solve for x
    x = 7,706,385,410.58/99,271.33
  6. Step 6: Final answer
    x = 77,629.52

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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.