Home / 58,262.10-87,328.35-31,985.70

Finding the Fourth Proportional to 58,262.10, 87,328.35 and 31,985.70

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Solution

The fourth proportional to 58,262.10, 87,328.35 and 31,985.70 is: 47,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,262.10 : 87,328.35 = 31,985.70 : x
  2. Step 2: Convert to fraction form
    58,262.10/87,328.35 = 31,985.70/x
  3. Step 3: Cross multiply
    58,262.10x = 87,328.35 × 31,985.70
  4. Step 4: Simplify right side
    58,262.10x = 2,793,258,404.60
  5. Step 5: Solve for x
    x = 2,793,258,404.60/58,262.10
  6. Step 6: Final answer
    x = 47,942.98

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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.