Home / 74,869.64-112,327.48-44,917.12

Finding the Fourth Proportional to 74,869.64, 112,327.48 and 44,917.12

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Solution

The fourth proportional to 74,869.64, 112,327.48 and 44,917.12 is: 67,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,869.64 : 112,327.48 = 44,917.12 : x
  2. Step 2: Convert to fraction form
    74,869.64/112,327.48 = 44,917.12/x
  3. Step 3: Cross multiply
    74,869.64x = 112,327.48 × 44,917.12
  4. Step 4: Simplify right side
    74,869.64x = 5,045,426,898.46
  5. Step 5: Solve for x
    x = 5,045,426,898.46/74,869.64
  6. Step 6: Final answer
    x = 67,389.49

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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.