Home / 74,575.34-102,916.17-40,586.25

Finding the Fourth Proportional to 74,575.34, 102,916.17 and 40,586.25

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Solution

The fourth proportional to 74,575.34, 102,916.17 and 40,586.25 is: 56,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.34 : 102,916.17 = 40,586.25 : x
  2. Step 2: Convert to fraction form
    74,575.34/102,916.17 = 40,586.25/x
  3. Step 3: Cross multiply
    74,575.34x = 102,916.17 × 40,586.25
  4. Step 4: Simplify right side
    74,575.34x = 4,176,981,404.66
  5. Step 5: Solve for x
    x = 4,176,981,404.66/74,575.34
  6. Step 6: Final answer
    x = 56,010.23

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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.