Home / 105,055.64-144,995.58-62,616.86

Finding the Fourth Proportional to 105,055.64, 144,995.58 and 62,616.86

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Solution

The fourth proportional to 105,055.64, 144,995.58 and 62,616.86 is: 86,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,055.64 : 144,995.58 = 62,616.86 : x
  2. Step 2: Convert to fraction form
    105,055.64/144,995.58 = 62,616.86/x
  3. Step 3: Cross multiply
    105,055.64x = 144,995.58 × 62,616.86
  4. Step 4: Simplify right side
    105,055.64x = 9,079,167,933.48
  5. Step 5: Solve for x
    x = 9,079,167,933.48/105,055.64
  6. Step 6: Final answer
    x = 86,422.47

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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.