Home / 105,253.02-145,245.96-62,839.80

Finding the Fourth Proportional to 105,253.02, 145,245.96 and 62,839.80

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Solution

The fourth proportional to 105,253.02, 145,245.96 and 62,839.80 is: 86,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,253.02 : 145,245.96 = 62,839.80 : x
  2. Step 2: Convert to fraction form
    105,253.02/145,245.96 = 62,839.80/x
  3. Step 3: Cross multiply
    105,253.02x = 145,245.96 × 62,839.80
  4. Step 4: Simplify right side
    105,253.02x = 9,127,227,077.21
  5. Step 5: Solve for x
    x = 9,127,227,077.21/105,253.02
  6. Step 6: Final answer
    x = 86,717.01

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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.