Home / 112,708.56-155,548.36-62,417.36

Finding the Fourth Proportional to 112,708.56, 155,548.36 and 62,417.36

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Solution

The fourth proportional to 112,708.56, 155,548.36 and 62,417.36 is: 86,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,708.56 : 155,548.36 = 62,417.36 : x
  2. Step 2: Convert to fraction form
    112,708.56/155,548.36 = 62,417.36/x
  3. Step 3: Cross multiply
    112,708.56x = 155,548.36 × 62,417.36
  4. Step 4: Simplify right side
    112,708.56x = 9,708,917,983.53
  5. Step 5: Solve for x
    x = 9,708,917,983.53/112,708.56
  6. Step 6: Final answer
    x = 86,141.80

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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.