Home / 61,520.40-92,208.60-28,243.67

Finding the Fourth Proportional to 61,520.40, 92,208.60 and 28,243.67

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Solution

The fourth proportional to 61,520.40, 92,208.60 and 28,243.67 is: 42,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,520.40 : 92,208.60 = 28,243.67 : x
  2. Step 2: Convert to fraction form
    61,520.40/92,208.60 = 28,243.67/x
  3. Step 3: Cross multiply
    61,520.40x = 92,208.60 × 28,243.67
  4. Step 4: Simplify right side
    61,520.40x = 2,604,308,808.52
  5. Step 5: Solve for x
    x = 2,604,308,808.52/61,520.40
  6. Step 6: Final answer
    x = 42,332.44

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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.