Home / 84,125.04-116,246.52-80,024.82

Finding the Fourth Proportional to 84,125.04, 116,246.52 and 80,024.82

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Solution

The fourth proportional to 84,125.04, 116,246.52 and 80,024.82 is: 110,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,125.04 : 116,246.52 = 80,024.82 : x
  2. Step 2: Convert to fraction form
    84,125.04/116,246.52 = 80,024.82/x
  3. Step 3: Cross multiply
    84,125.04x = 116,246.52 × 80,024.82
  4. Step 4: Simplify right side
    84,125.04x = 9,302,606,838.63
  5. Step 5: Solve for x
    x = 9,302,606,838.63/84,125.04
  6. Step 6: Final answer
    x = 110,580.71

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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.