Home / 85,714.02-128,579.48-29,546.74

Finding the Fourth Proportional to 85,714.02, 128,579.48 and 29,546.74

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Solution

The fourth proportional to 85,714.02, 128,579.48 and 29,546.74 is: 44,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,714.02 : 128,579.48 = 29,546.74 : x
  2. Step 2: Convert to fraction form
    85,714.02/128,579.48 = 29,546.74/x
  3. Step 3: Cross multiply
    85,714.02x = 128,579.48 × 29,546.74
  4. Step 4: Simplify right side
    85,714.02x = 3,799,104,212.44
  5. Step 5: Solve for x
    x = 3,799,104,212.44/85,714.02
  6. Step 6: Final answer
    x = 44,323.02

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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.