Home / 74,575.35-102,916.13-40,586.02

Finding the Fourth Proportional to 74,575.35, 102,916.13 and 40,586.02

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Solution

The fourth proportional to 74,575.35, 102,916.13 and 40,586.02 is: 56,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.35 : 102,916.13 = 40,586.02 : x
  2. Step 2: Convert to fraction form
    74,575.35/102,916.13 = 40,586.02/x
  3. Step 3: Cross multiply
    74,575.35x = 102,916.13 × 40,586.02
  4. Step 4: Simplify right side
    74,575.35x = 4,176,956,110.50
  5. Step 5: Solve for x
    x = 4,176,956,110.50/74,575.35
  6. Step 6: Final answer
    x = 56,009.88

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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.