Home / 62,490.40-93,743.70-30,916.60

Finding the Fourth Proportional to 62,490.40, 93,743.70 and 30,916.60

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Solution

The fourth proportional to 62,490.40, 93,743.70 and 30,916.60 is: 46,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,490.40 : 93,743.70 = 30,916.60 : x
  2. Step 2: Convert to fraction form
    62,490.40/93,743.70 = 30,916.60/x
  3. Step 3: Cross multiply
    62,490.40x = 93,743.70 × 30,916.60
  4. Step 4: Simplify right side
    62,490.40x = 2,898,236,475.42
  5. Step 5: Solve for x
    x = 2,898,236,475.42/62,490.40
  6. Step 6: Final answer
    x = 46,378.91

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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.