Home / 77,790.38-116,685.56-27,873.52

Finding the Fourth Proportional to 77,790.38, 116,685.56 and 27,873.52

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Solution

The fourth proportional to 77,790.38, 116,685.56 and 27,873.52 is: 41,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,790.38 : 116,685.56 = 27,873.52 : x
  2. Step 2: Convert to fraction form
    77,790.38/116,685.56 = 27,873.52/x
  3. Step 3: Cross multiply
    77,790.38x = 116,685.56 × 27,873.52
  4. Step 4: Simplify right side
    77,790.38x = 3,252,437,068.34
  5. Step 5: Solve for x
    x = 3,252,437,068.34/77,790.38
  6. Step 6: Final answer
    x = 41,810.28

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1.5x scale

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.