Home / 75,334.10-112,881.18-39,794.06

Finding the Fourth Proportional to 75,334.10, 112,881.18 and 39,794.06

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Solution

The fourth proportional to 75,334.10, 112,881.18 and 39,794.06 is: 59,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,334.10 : 112,881.18 = 39,794.06 : x
  2. Step 2: Convert to fraction form
    75,334.10/112,881.18 = 39,794.06/x
  3. Step 3: Cross multiply
    75,334.10x = 112,881.18 × 39,794.06
  4. Step 4: Simplify right side
    75,334.10x = 4,492,000,449.79
  5. Step 5: Solve for x
    x = 4,492,000,449.79/75,334.10
  6. Step 6: Final answer
    x = 59,627.72

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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.