Home / 74,928.12-103,411.64-44,714.72

Finding the Fourth Proportional to 74,928.12, 103,411.64 and 44,714.72

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Solution

The fourth proportional to 74,928.12, 103,411.64 and 44,714.72 is: 61,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.12 : 103,411.64 = 44,714.72 : x
  2. Step 2: Convert to fraction form
    74,928.12/103,411.64 = 44,714.72/x
  3. Step 3: Cross multiply
    74,928.12x = 103,411.64 × 44,714.72
  4. Step 4: Simplify right side
    74,928.12x = 4,624,021,786.71
  5. Step 5: Solve for x
    x = 4,624,021,786.71/74,928.12
  6. Step 6: Final answer
    x = 61,712.77

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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.