Home / 92,766.40-139,116.04-39,461.92

Finding the Fourth Proportional to 92,766.40, 139,116.04 and 39,461.92

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Solution

The fourth proportional to 92,766.40, 139,116.04 and 39,461.92 is: 59,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,766.40 : 139,116.04 = 39,461.92 : x
  2. Step 2: Convert to fraction form
    92,766.40/139,116.04 = 39,461.92/x
  3. Step 3: Cross multiply
    92,766.40x = 139,116.04 × 39,461.92
  4. Step 4: Simplify right side
    92,766.40x = 5,489,786,041.20
  5. Step 5: Solve for x
    x = 5,489,786,041.20/92,766.40
  6. Step 6: Final answer
    x = 59,178.60

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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.