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Finding the Fourth Proportional to 96,671.28, 145,059.77 and 37,509.28

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Solution

The fourth proportional to 96,671.28, 145,059.77 and 37,509.28 is: 56,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,671.28 : 145,059.77 = 37,509.28 : x
  2. Step 2: Convert to fraction form
    96,671.28/145,059.77 = 37,509.28/x
  3. Step 3: Cross multiply
    96,671.28x = 145,059.77 × 37,509.28
  4. Step 4: Simplify right side
    96,671.28x = 5,441,087,529.67
  5. Step 5: Solve for x
    x = 5,441,087,529.67/96,671.28
  6. Step 6: Final answer
    x = 56,284.43

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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.