Home / 85,714.04-128,579.51-29,546.75

Finding the Fourth Proportional to 85,714.04, 128,579.51 and 29,546.75

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Solution

The fourth proportional to 85,714.04, 128,579.51 and 29,546.75 is: 44,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,714.04 : 128,579.51 = 29,546.75 : x
  2. Step 2: Convert to fraction form
    85,714.04/128,579.51 = 29,546.75/x
  3. Step 3: Cross multiply
    85,714.04x = 128,579.51 × 29,546.75
  4. Step 4: Simplify right side
    85,714.04x = 3,799,105,994.19
  5. Step 5: Solve for x
    x = 3,799,105,994.19/85,714.04
  6. Step 6: Final answer
    x = 44,323.03

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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.