Home / 48,567.90-67,029.03-30,661.98

Finding the Fourth Proportional to 48,567.90, 67,029.03 and 30,661.98

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Solution

The fourth proportional to 48,567.90, 67,029.03 and 30,661.98 is: 42,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,567.90 : 67,029.03 = 30,661.98 : x
  2. Step 2: Convert to fraction form
    48,567.90/67,029.03 = 30,661.98/x
  3. Step 3: Cross multiply
    48,567.90x = 67,029.03 × 30,661.98
  4. Step 4: Simplify right side
    48,567.90x = 2,055,242,777.28
  5. Step 5: Solve for x
    x = 2,055,242,777.28/48,567.90
  6. Step 6: Final answer
    x = 42,316.90

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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.