Home / 61,950.28-85,335.06-49,980.12

Finding the Fourth Proportional to 61,950.28, 85,335.06 and 49,980.12

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Solution

The fourth proportional to 61,950.28, 85,335.06 and 49,980.12 is: 68,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,950.28 : 85,335.06 = 49,980.12 : x
  2. Step 2: Convert to fraction form
    61,950.28/85,335.06 = 49,980.12/x
  3. Step 3: Cross multiply
    61,950.28x = 85,335.06 × 49,980.12
  4. Step 4: Simplify right side
    61,950.28x = 4,265,056,539.01
  5. Step 5: Solve for x
    x = 4,265,056,539.01/61,950.28
  6. Step 6: Final answer
    x = 68,846.44

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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.