Home / 92,770.13-139,194.27-45,426.98

Finding the Fourth Proportional to 92,770.13, 139,194.27 and 45,426.98

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Solution

The fourth proportional to 92,770.13, 139,194.27 and 45,426.98 is: 68,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,770.13 : 139,194.27 = 45,426.98 : x
  2. Step 2: Convert to fraction form
    92,770.13/139,194.27 = 45,426.98/x
  3. Step 3: Cross multiply
    92,770.13x = 139,194.27 × 45,426.98
  4. Step 4: Simplify right side
    92,770.13x = 6,323,174,623.43
  5. Step 5: Solve for x
    x = 6,323,174,623.43/92,770.13
  6. Step 6: Final answer
    x = 68,159.60

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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.