Home / 74,193.38-102,359.99-45,111.74

Finding the Fourth Proportional to 74,193.38, 102,359.99 and 45,111.74

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Solution

The fourth proportional to 74,193.38, 102,359.99 and 45,111.74 is: 62,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,193.38 : 102,359.99 = 45,111.74 : x
  2. Step 2: Convert to fraction form
    74,193.38/102,359.99 = 45,111.74/x
  3. Step 3: Cross multiply
    74,193.38x = 102,359.99 × 45,111.74
  4. Step 4: Simplify right side
    74,193.38x = 4,617,637,623.96
  5. Step 5: Solve for x
    x = 4,617,637,623.96/74,193.38
  6. Step 6: Final answer
    x = 62,237.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.