Home / 75,361.12-113,066.34-31,008.76

Finding the Fourth Proportional to 75,361.12, 113,066.34 and 31,008.76

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Solution

The fourth proportional to 75,361.12, 113,066.34 and 31,008.76 is: 46,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,361.12 : 113,066.34 = 31,008.76 : x
  2. Step 2: Convert to fraction form
    75,361.12/113,066.34 = 31,008.76/x
  3. Step 3: Cross multiply
    75,361.12x = 113,066.34 × 31,008.76
  4. Step 4: Simplify right side
    75,361.12x = 3,506,047,001.14
  5. Step 5: Solve for x
    x = 3,506,047,001.14/75,361.12
  6. Step 6: Final answer
    x = 46,523.29

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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.