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Finding the Fourth Proportional to 76,777.44, 115,095.97 and 65,007.04

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Solution

The fourth proportional to 76,777.44, 115,095.97 and 65,007.04 is: 97,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,777.44 : 115,095.97 = 65,007.04 : x
  2. Step 2: Convert to fraction form
    76,777.44/115,095.97 = 65,007.04/x
  3. Step 3: Cross multiply
    76,777.44x = 115,095.97 × 65,007.04
  4. Step 4: Simplify right side
    76,777.44x = 7,482,048,325.63
  5. Step 5: Solve for x
    x = 7,482,048,325.63/76,777.44
  6. Step 6: Final answer
    x = 97,451.13

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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.