Home / 136,071.75-204,037.65-61,127.61

Finding the Fourth Proportional to 136,071.75, 204,037.65 and 61,127.61

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Solution

The fourth proportional to 136,071.75, 204,037.65 and 61,127.61 is: 91,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,071.75 : 204,037.65 = 61,127.61 : x
  2. Step 2: Convert to fraction form
    136,071.75/204,037.65 = 61,127.61/x
  3. Step 3: Cross multiply
    136,071.75x = 204,037.65 × 61,127.61
  4. Step 4: Simplify right side
    136,071.75x = 12,472,333,894.52
  5. Step 5: Solve for x
    x = 12,472,333,894.52/136,071.75
  6. Step 6: Final answer
    x = 91,659.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.