Home / 80,763.84-111,406.86-52,488.36

Finding the Fourth Proportional to 80,763.84, 111,406.86 and 52,488.36

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Solution

The fourth proportional to 80,763.84, 111,406.86 and 52,488.36 is: 72,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,763.84 : 111,406.86 = 52,488.36 : x
  2. Step 2: Convert to fraction form
    80,763.84/111,406.86 = 52,488.36/x
  3. Step 3: Cross multiply
    80,763.84x = 111,406.86 × 52,488.36
  4. Step 4: Simplify right side
    80,763.84x = 5,847,563,374.15
  5. Step 5: Solve for x
    x = 5,847,563,374.15/80,763.84
  6. Step 6: Final answer
    x = 72,403.24

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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.