Home / 76,285.44-114,280.56-42,904.08

Finding the Fourth Proportional to 76,285.44, 114,280.56 and 42,904.08

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Solution

The fourth proportional to 76,285.44, 114,280.56 and 42,904.08 is: 64,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,285.44 : 114,280.56 = 42,904.08 : x
  2. Step 2: Convert to fraction form
    76,285.44/114,280.56 = 42,904.08/x
  3. Step 3: Cross multiply
    76,285.44x = 114,280.56 × 42,904.08
  4. Step 4: Simplify right side
    76,285.44x = 4,903,102,288.68
  5. Step 5: Solve for x
    x = 4,903,102,288.68/76,285.44
  6. Step 6: Final answer
    x = 64,273.11

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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.