Home / 83,556.77-115,382.48-56,798.82

Finding the Fourth Proportional to 83,556.77, 115,382.48 and 56,798.82

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Solution

The fourth proportional to 83,556.77, 115,382.48 and 56,798.82 is: 78,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,556.77 : 115,382.48 = 56,798.82 : x
  2. Step 2: Convert to fraction form
    83,556.77/115,382.48 = 56,798.82/x
  3. Step 3: Cross multiply
    83,556.77x = 115,382.48 × 56,798.82
  4. Step 4: Simplify right side
    83,556.77x = 6,553,588,428.68
  5. Step 5: Solve for x
    x = 6,553,588,428.68/83,556.77
  6. Step 6: Final answer
    x = 78,432.77

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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.