Home / 75,862.12-104,664.72-49,020.46

Finding the Fourth Proportional to 75,862.12, 104,664.72 and 49,020.46

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Solution

The fourth proportional to 75,862.12, 104,664.72 and 49,020.46 is: 67,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.12 : 104,664.72 = 49,020.46 : x
  2. Step 2: Convert to fraction form
    75,862.12/104,664.72 = 49,020.46/x
  3. Step 3: Cross multiply
    75,862.12x = 104,664.72 × 49,020.46
  4. Step 4: Simplify right side
    75,862.12x = 5,130,712,720.17
  5. Step 5: Solve for x
    x = 5,130,712,720.17/75,862.12
  6. Step 6: Final answer
    x = 67,632.08

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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.