Home / 83,616.36-115,390.26-45,890.52

Finding the Fourth Proportional to 83,616.36, 115,390.26 and 45,890.52

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Solution

The fourth proportional to 83,616.36, 115,390.26 and 45,890.52 is: 63,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,616.36 : 115,390.26 = 45,890.52 : x
  2. Step 2: Convert to fraction form
    83,616.36/115,390.26 = 45,890.52/x
  3. Step 3: Cross multiply
    83,616.36x = 115,390.26 × 45,890.52
  4. Step 4: Simplify right side
    83,616.36x = 5,295,319,034.34
  5. Step 5: Solve for x
    x = 5,295,319,034.34/83,616.36
  6. Step 6: Final answer
    x = 63,328.74

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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.