Home / 58,238.81-87,295.91-30,130.55

Finding the Fourth Proportional to 58,238.81, 87,295.91 and 30,130.55

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Solution

The fourth proportional to 58,238.81, 87,295.91 and 30,130.55 is: 45,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,238.81 : 87,295.91 = 30,130.55 : x
  2. Step 2: Convert to fraction form
    58,238.81/87,295.91 = 30,130.55/x
  3. Step 3: Cross multiply
    58,238.81x = 87,295.91 × 30,130.55
  4. Step 4: Simplify right side
    58,238.81x = 2,630,273,848.64
  5. Step 5: Solve for x
    x = 2,630,273,848.64/58,238.81
  6. Step 6: Final answer
    x = 45,163.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.