Home / 84,783.38-117,001.80-48,972.56

Finding the Fourth Proportional to 84,783.38, 117,001.80 and 48,972.56

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Solution

The fourth proportional to 84,783.38, 117,001.80 and 48,972.56 is: 67,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,783.38 : 117,001.80 = 48,972.56 : x
  2. Step 2: Convert to fraction form
    84,783.38/117,001.80 = 48,972.56/x
  3. Step 3: Cross multiply
    84,783.38x = 117,001.80 × 48,972.56
  4. Step 4: Simplify right side
    84,783.38x = 5,729,877,085.60
  5. Step 5: Solve for x
    x = 5,729,877,085.60/84,783.38
  6. Step 6: Final answer
    x = 67,582.55

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1.5x scale

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.