Home / 84,750.48-127,201.86-47,255.58

Finding the Fourth Proportional to 84,750.48, 127,201.86 and 47,255.58

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Solution

The fourth proportional to 84,750.48, 127,201.86 and 47,255.58 is: 70,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,750.48 : 127,201.86 = 47,255.58 : x
  2. Step 2: Convert to fraction form
    84,750.48/127,201.86 = 47,255.58/x
  3. Step 3: Cross multiply
    84,750.48x = 127,201.86 × 47,255.58
  4. Step 4: Simplify right side
    84,750.48x = 6,010,997,671.38
  5. Step 5: Solve for x
    x = 6,010,997,671.38/84,750.48
  6. Step 6: Final answer
    x = 70,925.82

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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.