Home / 96,431.16-144,650.58-40,989.24

Finding the Fourth Proportional to 96,431.16, 144,650.58 and 40,989.24

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Solution

The fourth proportional to 96,431.16, 144,650.58 and 40,989.24 is: 61,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,431.16 : 144,650.58 = 40,989.24 : x
  2. Step 2: Convert to fraction form
    96,431.16/144,650.58 = 40,989.24/x
  3. Step 3: Cross multiply
    96,431.16x = 144,650.58 × 40,989.24
  4. Step 4: Simplify right side
    96,431.16x = 5,929,117,339.76
  5. Step 5: Solve for x
    x = 5,929,117,339.76/96,431.16
  6. Step 6: Final answer
    x = 61,485.49

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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.