Home / 83,672.10-125,423.91-36,916.74

Finding the Fourth Proportional to 83,672.10, 125,423.91 and 36,916.74

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Solution

The fourth proportional to 83,672.10, 125,423.91 and 36,916.74 is: 55,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,672.10 : 125,423.91 = 36,916.74 : x
  2. Step 2: Convert to fraction form
    83,672.10/125,423.91 = 36,916.74/x
  3. Step 3: Cross multiply
    83,672.10x = 125,423.91 × 36,916.74
  4. Step 4: Simplify right side
    83,672.10x = 4,630,241,875.25
  5. Step 5: Solve for x
    x = 4,630,241,875.25/83,672.10
  6. Step 6: Final answer
    x = 55,337.94

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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.