Home / 105,277.11-145,291.04-59,969.26

Finding the Fourth Proportional to 105,277.11, 145,291.04 and 59,969.26

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Solution

The fourth proportional to 105,277.11, 145,291.04 and 59,969.26 is: 82,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,277.11 : 145,291.04 = 59,969.26 : x
  2. Step 2: Convert to fraction form
    105,277.11/145,291.04 = 59,969.26/x
  3. Step 3: Cross multiply
    105,277.11x = 145,291.04 × 59,969.26
  4. Step 4: Simplify right side
    105,277.11x = 8,712,996,153.43
  5. Step 5: Solve for x
    x = 8,712,996,153.43/105,277.11
  6. Step 6: Final answer
    x = 82,762.49

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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.