Home / 105,564.39-145,681.22-60,241.47

Finding the Fourth Proportional to 105,564.39, 145,681.22 and 60,241.47

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Solution

The fourth proportional to 105,564.39, 145,681.22 and 60,241.47 is: 83,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,564.39 : 145,681.22 = 60,241.47 : x
  2. Step 2: Convert to fraction form
    105,564.39/145,681.22 = 60,241.47/x
  3. Step 3: Cross multiply
    105,564.39x = 145,681.22 × 60,241.47
  4. Step 4: Simplify right side
    105,564.39x = 8,776,050,844.19
  5. Step 5: Solve for x
    x = 8,776,050,844.19/105,564.39
  6. Step 6: Final answer
    x = 83,134.58

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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.