Home / 68,065.04-101,840.96-61,158.80

Finding the Fourth Proportional to 68,065.04, 101,840.96 and 61,158.80

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Solution

The fourth proportional to 68,065.04, 101,840.96 and 61,158.80 is: 91,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,065.04 : 101,840.96 = 61,158.80 : x
  2. Step 2: Convert to fraction form
    68,065.04/101,840.96 = 61,158.80/x
  3. Step 3: Cross multiply
    68,065.04x = 101,840.96 × 61,158.80
  4. Step 4: Simplify right side
    68,065.04x = 6,228,470,904.45
  5. Step 5: Solve for x
    x = 6,228,470,904.45/68,065.04
  6. Step 6: Final answer
    x = 91,507.64

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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.