Home / 64,084.65-96,146.44-45,400.83

Finding the Fourth Proportional to 64,084.65, 96,146.44 and 45,400.83

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Solution

The fourth proportional to 64,084.65, 96,146.44 and 45,400.83 is: 68,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,084.65 : 96,146.44 = 45,400.83 : x
  2. Step 2: Convert to fraction form
    64,084.65/96,146.44 = 45,400.83/x
  3. Step 3: Cross multiply
    64,084.65x = 96,146.44 × 45,400.83
  4. Step 4: Simplify right side
    64,084.65x = 4,365,128,177.55
  5. Step 5: Solve for x
    x = 4,365,128,177.55/64,084.65
  6. Step 6: Final answer
    x = 68,115.03

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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.