Home / 105,266.03-145,247.06-62,828.51

Finding the Fourth Proportional to 105,266.03, 145,247.06 and 62,828.51

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Solution

The fourth proportional to 105,266.03, 145,247.06 and 62,828.51 is: 86,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,266.03 : 145,247.06 = 62,828.51 : x
  2. Step 2: Convert to fraction form
    105,266.03/145,247.06 = 62,828.51/x
  3. Step 3: Cross multiply
    105,266.03x = 145,247.06 × 62,828.51
  4. Step 4: Simplify right side
    105,266.03x = 9,125,656,047.54
  5. Step 5: Solve for x
    x = 9,125,656,047.54/105,266.03
  6. Step 6: Final answer
    x = 86,691.37

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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.