Home / 76,270.16-114,405.92-31,316.24

Finding the Fourth Proportional to 76,270.16, 114,405.92 and 31,316.24

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Solution

The fourth proportional to 76,270.16, 114,405.92 and 31,316.24 is: 46,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,270.16 : 114,405.92 = 31,316.24 : x
  2. Step 2: Convert to fraction form
    76,270.16/114,405.92 = 31,316.24/x
  3. Step 3: Cross multiply
    76,270.16x = 114,405.92 × 31,316.24
  4. Step 4: Simplify right side
    76,270.16x = 3,582,763,248.14
  5. Step 5: Solve for x
    x = 3,582,763,248.14/76,270.16
  6. Step 6: Final answer
    x = 46,974.64

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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.