Home / 74,551.36-102,875.52-42,714.88

Finding the Fourth Proportional to 74,551.36, 102,875.52 and 42,714.88

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Solution

The fourth proportional to 74,551.36, 102,875.52 and 42,714.88 is: 58,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,551.36 : 102,875.52 = 42,714.88 : x
  2. Step 2: Convert to fraction form
    74,551.36/102,875.52 = 42,714.88/x
  3. Step 3: Cross multiply
    74,551.36x = 102,875.52 × 42,714.88
  4. Step 4: Simplify right side
    74,551.36x = 4,394,315,491.74
  5. Step 5: Solve for x
    x = 4,394,315,491.74/74,551.36
  6. Step 6: Final answer
    x = 58,943.47

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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.