Home / 76,350.12-114,533.04-26,430.12

Finding the Fourth Proportional to 76,350.12, 114,533.04 and 26,430.12

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Solution

The fourth proportional to 76,350.12, 114,533.04 and 26,430.12 is: 39,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,350.12 : 114,533.04 = 26,430.12 : x
  2. Step 2: Convert to fraction form
    76,350.12/114,533.04 = 26,430.12/x
  3. Step 3: Cross multiply
    76,350.12x = 114,533.04 × 26,430.12
  4. Step 4: Simplify right side
    76,350.12x = 3,027,121,991.16
  5. Step 5: Solve for x
    x = 3,027,121,991.16/76,350.12
  6. Step 6: Final answer
    x = 39,647.90

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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.