Home / 105,484.14-145,540.85-62,464.46

Finding the Fourth Proportional to 105,484.14, 145,540.85 and 62,464.46

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Solution

The fourth proportional to 105,484.14, 145,540.85 and 62,464.46 is: 86,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,484.14 : 145,540.85 = 62,464.46 : x
  2. Step 2: Convert to fraction form
    105,484.14/145,540.85 = 62,464.46/x
  3. Step 3: Cross multiply
    105,484.14x = 145,540.85 × 62,464.46
  4. Step 4: Simplify right side
    105,484.14x = 9,091,129,563.16
  5. Step 5: Solve for x
    x = 9,091,129,563.16/105,484.14
  6. Step 6: Final answer
    x = 86,184.80

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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.