Home / 80,421.37-110,972.53-44,602.40

Finding the Fourth Proportional to 80,421.37, 110,972.53 and 44,602.40

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Solution

The fourth proportional to 80,421.37, 110,972.53 and 44,602.40 is: 61,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,421.37 : 110,972.53 = 44,602.40 : x
  2. Step 2: Convert to fraction form
    80,421.37/110,972.53 = 44,602.40/x
  3. Step 3: Cross multiply
    80,421.37x = 110,972.53 × 44,602.40
  4. Step 4: Simplify right side
    80,421.37x = 4,949,640,949.06
  5. Step 5: Solve for x
    x = 4,949,640,949.06/80,421.37
  6. Step 6: Final answer
    x = 61,546.34

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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.