Home / 93,916.49-140,830.14-54,485.69

Finding the Fourth Proportional to 93,916.49, 140,830.14 and 54,485.69

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Solution

The fourth proportional to 93,916.49, 140,830.14 and 54,485.69 is: 81,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,916.49 : 140,830.14 = 54,485.69 : x
  2. Step 2: Convert to fraction form
    93,916.49/140,830.14 = 54,485.69/x
  3. Step 3: Cross multiply
    93,916.49x = 140,830.14 × 54,485.69
  4. Step 4: Simplify right side
    93,916.49x = 7,673,227,350.70
  5. Step 5: Solve for x
    x = 7,673,227,350.70/93,916.49
  6. Step 6: Final answer
    x = 81,702.66

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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.