Home / 92,621.79-138,818.70-52,674.30

Finding the Fourth Proportional to 92,621.79, 138,818.70 and 52,674.30

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Solution

The fourth proportional to 92,621.79, 138,818.70 and 52,674.30 is: 78,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.79 : 138,818.70 = 52,674.30 : x
  2. Step 2: Convert to fraction form
    92,621.79/138,818.70 = 52,674.30/x
  3. Step 3: Cross multiply
    92,621.79x = 138,818.70 × 52,674.30
  4. Step 4: Simplify right side
    92,621.79x = 7,312,177,849.41
  5. Step 5: Solve for x
    x = 7,312,177,849.41/92,621.79
  6. Step 6: Final answer
    x = 78,946.63

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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.