Home / 76,274.16-114,411.92-31,320.24

Finding the Fourth Proportional to 76,274.16, 114,411.92 and 31,320.24

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Solution

The fourth proportional to 76,274.16, 114,411.92 and 31,320.24 is: 46,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,274.16 : 114,411.92 = 31,320.24 : x
  2. Step 2: Convert to fraction form
    76,274.16/114,411.92 = 31,320.24/x
  3. Step 3: Cross multiply
    76,274.16x = 114,411.92 × 31,320.24
  4. Step 4: Simplify right side
    76,274.16x = 3,583,408,636.66
  5. Step 5: Solve for x
    x = 3,583,408,636.66/76,274.16
  6. Step 6: Final answer
    x = 46,980.64

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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.