Home / 90,926.31-125,482.19-50,640.06

Finding the Fourth Proportional to 90,926.31, 125,482.19 and 50,640.06

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Solution

The fourth proportional to 90,926.31, 125,482.19 and 50,640.06 is: 69,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.31 : 125,482.19 = 50,640.06 : x
  2. Step 2: Convert to fraction form
    90,926.31/125,482.19 = 50,640.06/x
  3. Step 3: Cross multiply
    90,926.31x = 125,482.19 × 50,640.06
  4. Step 4: Simplify right side
    90,926.31x = 6,354,425,630.53
  5. Step 5: Solve for x
    x = 6,354,425,630.53/90,926.31
  6. Step 6: Final answer
    x = 69,885.44

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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.