Home / 105,052.14-144,990.75-62,613.36

Finding the Fourth Proportional to 105,052.14, 144,990.75 and 62,613.36

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Solution

The fourth proportional to 105,052.14, 144,990.75 and 62,613.36 is: 86,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,052.14 : 144,990.75 = 62,613.36 : x
  2. Step 2: Convert to fraction form
    105,052.14/144,990.75 = 62,613.36/x
  3. Step 3: Cross multiply
    105,052.14x = 144,990.75 × 62,613.36
  4. Step 4: Simplify right side
    105,052.14x = 9,078,358,026.42
  5. Step 5: Solve for x
    x = 9,078,358,026.42/105,052.14
  6. Step 6: Final answer
    x = 86,417.64

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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.