Home / 84,223.80-116,238.78-48,415.32

Finding the Fourth Proportional to 84,223.80, 116,238.78 and 48,415.32

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Solution

The fourth proportional to 84,223.80, 116,238.78 and 48,415.32 is: 66,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,223.80 : 116,238.78 = 48,415.32 : x
  2. Step 2: Convert to fraction form
    84,223.80/116,238.78 = 48,415.32/x
  3. Step 3: Cross multiply
    84,223.80x = 116,238.78 × 48,415.32
  4. Step 4: Simplify right side
    84,223.80x = 5,627,737,730.11
  5. Step 5: Solve for x
    x = 5,627,737,730.11/84,223.80
  6. Step 6: Final answer
    x = 66,818.85

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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.