Home / 64,148.31-96,222.44-28,600.45

Finding the Fourth Proportional to 64,148.31, 96,222.44 and 28,600.45

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Solution

The fourth proportional to 64,148.31, 96,222.44 and 28,600.45 is: 42,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,148.31 : 96,222.44 = 28,600.45 : x
  2. Step 2: Convert to fraction form
    64,148.31/96,222.44 = 28,600.45/x
  3. Step 3: Cross multiply
    64,148.31x = 96,222.44 × 28,600.45
  4. Step 4: Simplify right side
    64,148.31x = 2,752,004,915.04
  5. Step 5: Solve for x
    x = 2,752,004,915.04/64,148.31
  6. Step 6: Final answer
    x = 42,900.66

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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.