Home / 105,606.75-145,714.64-62,599.80

Finding the Fourth Proportional to 105,606.75, 145,714.64 and 62,599.80

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Solution

The fourth proportional to 105,606.75, 145,714.64 and 62,599.80 is: 86,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,606.75 : 145,714.64 = 62,599.80 : x
  2. Step 2: Convert to fraction form
    105,606.75/145,714.64 = 62,599.80/x
  3. Step 3: Cross multiply
    105,606.75x = 145,714.64 × 62,599.80
  4. Step 4: Simplify right side
    105,606.75x = 9,121,707,008.07
  5. Step 5: Solve for x
    x = 9,121,707,008.07/105,606.75
  6. Step 6: Final answer
    x = 86,374.28

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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.