Home / 55,670.67-76,830.36-30,525.03

Finding the Fourth Proportional to 55,670.67, 76,830.36 and 30,525.03

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Solution

The fourth proportional to 55,670.67, 76,830.36 and 30,525.03 is: 42,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670.67 : 76,830.36 = 30,525.03 : x
  2. Step 2: Convert to fraction form
    55,670.67/76,830.36 = 30,525.03/x
  3. Step 3: Cross multiply
    55,670.67x = 76,830.36 × 30,525.03
  4. Step 4: Simplify right side
    55,670.67x = 2,345,249,043.91
  5. Step 5: Solve for x
    x = 2,345,249,043.91/55,670.67
  6. Step 6: Final answer
    x = 42,127.19

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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.