Home / 83,889.15-115,763.61-48,054.24

Finding the Fourth Proportional to 83,889.15, 115,763.61 and 48,054.24

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Solution

The fourth proportional to 83,889.15, 115,763.61 and 48,054.24 is: 66,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,889.15 : 115,763.61 = 48,054.24 : x
  2. Step 2: Convert to fraction form
    83,889.15/115,763.61 = 48,054.24/x
  3. Step 3: Cross multiply
    83,889.15x = 115,763.61 × 48,054.24
  4. Step 4: Simplify right side
    83,889.15x = 5,562,932,478.41
  5. Step 5: Solve for x
    x = 5,562,932,478.41/83,889.15
  6. Step 6: Final answer
    x = 66,312.90

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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.