Home / 85,582.28-118,063.79-55,377.35

Finding the Fourth Proportional to 85,582.28, 118,063.79 and 55,377.35

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Solution

The fourth proportional to 85,582.28, 118,063.79 and 55,377.35 is: 76,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582.28 : 118,063.79 = 55,377.35 : x
  2. Step 2: Convert to fraction form
    85,582.28/118,063.79 = 55,377.35/x
  3. Step 3: Cross multiply
    85,582.28x = 118,063.79 × 55,377.35
  4. Step 4: Simplify right side
    85,582.28x = 6,538,058,953.95
  5. Step 5: Solve for x
    x = 6,538,058,953.95/85,582.28
  6. Step 6: Final answer
    x = 76,395.01

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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.