Home / 83,748.02-115,562.57-47,935.89

Finding the Fourth Proportional to 83,748.02, 115,562.57 and 47,935.89

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Solution

The fourth proportional to 83,748.02, 115,562.57 and 47,935.89 is: 66,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,748.02 : 115,562.57 = 47,935.89 : x
  2. Step 2: Convert to fraction form
    83,748.02/115,562.57 = 47,935.89/x
  3. Step 3: Cross multiply
    83,748.02x = 115,562.57 × 47,935.89
  4. Step 4: Simplify right side
    83,748.02x = 5,539,594,403.96
  5. Step 5: Solve for x
    x = 5,539,594,403.96/83,748.02
  6. Step 6: Final answer
    x = 66,145.98

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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.