Home / 112,716.50-155,548.77-62,415.50

Finding the Fourth Proportional to 112,716.50, 155,548.77 and 62,415.50

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Solution

The fourth proportional to 112,716.50, 155,548.77 and 62,415.50 is: 86,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.50 : 155,548.77 = 62,415.50 : x
  2. Step 2: Convert to fraction form
    112,716.50/155,548.77 = 62,415.50/x
  3. Step 3: Cross multiply
    112,716.50x = 155,548.77 × 62,415.50
  4. Step 4: Simplify right side
    112,716.50x = 9,708,654,253.94
  5. Step 5: Solve for x
    x = 9,708,654,253.94/112,716.50
  6. Step 6: Final answer
    x = 86,133.39

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1.5x scale

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.