Home / 85,848.04-128,705.10-35,895.88

Finding the Fourth Proportional to 85,848.04, 128,705.10 and 35,895.88

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Solution

The fourth proportional to 85,848.04, 128,705.10 and 35,895.88 is: 53,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.04 : 128,705.10 = 35,895.88 : x
  2. Step 2: Convert to fraction form
    85,848.04/128,705.10 = 35,895.88/x
  3. Step 3: Cross multiply
    85,848.04x = 128,705.10 × 35,895.88
  4. Step 4: Simplify right side
    85,848.04x = 4,619,982,824.99
  5. Step 5: Solve for x
    x = 4,619,982,824.99/85,848.04
  6. Step 6: Final answer
    x = 53,815.82

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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.