Home / 51,916.92-77,946.42-51,294.84

Finding the Fourth Proportional to 51,916.92, 77,946.42 and 51,294.84

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Solution

The fourth proportional to 51,916.92, 77,946.42 and 51,294.84 is: 77,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.92 : 77,946.42 = 51,294.84 : x
  2. Step 2: Convert to fraction form
    51,916.92/77,946.42 = 51,294.84/x
  3. Step 3: Cross multiply
    51,916.92x = 77,946.42 × 51,294.84
  4. Step 4: Simplify right side
    51,916.92x = 3,998,249,142.47
  5. Step 5: Solve for x
    x = 3,998,249,142.47/51,916.92
  6. Step 6: Final answer
    x = 77,012.45

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1.5x scale

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.