Home / 58,277.34-87,228-30,158.70

Finding the Fourth Proportional to 58,277.34, 87,228 and 30,158.70

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Solution

The fourth proportional to 58,277.34, 87,228 and 30,158.70 is: 45,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,277.34 : 87,228 = 30,158.70 : x
  2. Step 2: Convert to fraction form
    58,277.34/87,228 = 30,158.70/x
  3. Step 3: Cross multiply
    58,277.34x = 87,228 × 30,158.70
  4. Step 4: Simplify right side
    58,277.34x = 2,630,683,083.60
  5. Step 5: Solve for x
    x = 2,630,683,083.60/58,277.34
  6. Step 6: Final answer
    x = 45,140.75

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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.