Home / 75,812.04-113,698.62-31,451.40

Finding the Fourth Proportional to 75,812.04, 113,698.62 and 31,451.40

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Solution

The fourth proportional to 75,812.04, 113,698.62 and 31,451.40 is: 47,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812.04 : 113,698.62 = 31,451.40 : x
  2. Step 2: Convert to fraction form
    75,812.04/113,698.62 = 31,451.40/x
  3. Step 3: Cross multiply
    75,812.04x = 113,698.62 × 31,451.40
  4. Step 4: Simplify right side
    75,812.04x = 3,575,980,777.07
  5. Step 5: Solve for x
    x = 3,575,980,777.07/75,812.04
  6. Step 6: Final answer
    x = 47,169.04

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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.