Home / 84,848.40-117,038.44-54,623.76

Finding the Fourth Proportional to 84,848.40, 117,038.44 and 54,623.76

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Solution

The fourth proportional to 84,848.40, 117,038.44 and 54,623.76 is: 75,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848.40 : 117,038.44 = 54,623.76 : x
  2. Step 2: Convert to fraction form
    84,848.40/117,038.44 = 54,623.76/x
  3. Step 3: Cross multiply
    84,848.40x = 117,038.44 × 54,623.76
  4. Step 4: Simplify right side
    84,848.40x = 6,393,079,657.33
  5. Step 5: Solve for x
    x = 6,393,079,657.33/84,848.40
  6. Step 6: Final answer
    x = 75,347.09

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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.