Home / 86,025.28-118,714.80-48,299.68

Finding the Fourth Proportional to 86,025.28, 118,714.80 and 48,299.68

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Solution

The fourth proportional to 86,025.28, 118,714.80 and 48,299.68 is: 66,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,025.28 : 118,714.80 = 48,299.68 : x
  2. Step 2: Convert to fraction form
    86,025.28/118,714.80 = 48,299.68/x
  3. Step 3: Cross multiply
    86,025.28x = 118,714.80 × 48,299.68
  4. Step 4: Simplify right side
    86,025.28x = 5,733,886,851.26
  5. Step 5: Solve for x
    x = 5,733,886,851.26/86,025.28
  6. Step 6: Final answer
    x = 66,653.51

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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.