Home / 86,037.02-118,732.50-48,310.46

Finding the Fourth Proportional to 86,037.02, 118,732.50 and 48,310.46

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Solution

The fourth proportional to 86,037.02, 118,732.50 and 48,310.46 is: 66,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037.02 : 118,732.50 = 48,310.46 : x
  2. Step 2: Convert to fraction form
    86,037.02/118,732.50 = 48,310.46/x
  3. Step 3: Cross multiply
    86,037.02x = 118,732.50 × 48,310.46
  4. Step 4: Simplify right side
    86,037.02x = 5,736,021,691.95
  5. Step 5: Solve for x
    x = 5,736,021,691.95/86,037.02
  6. Step 6: Final answer
    x = 66,669.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.