Home / 75,630.24-113,445.33-31,208.16

Finding the Fourth Proportional to 75,630.24, 113,445.33 and 31,208.16

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Solution

The fourth proportional to 75,630.24, 113,445.33 and 31,208.16 is: 46,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,630.24 : 113,445.33 = 31,208.16 : x
  2. Step 2: Convert to fraction form
    75,630.24/113,445.33 = 31,208.16/x
  3. Step 3: Cross multiply
    75,630.24x = 113,445.33 × 31,208.16
  4. Step 4: Simplify right side
    75,630.24x = 3,540,420,009.89
  5. Step 5: Solve for x
    x = 3,540,420,009.89/75,630.24
  6. Step 6: Final answer
    x = 46,812.23

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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.