Home / 85,229.04-117,611.28-46,987.32

Finding the Fourth Proportional to 85,229.04, 117,611.28 and 46,987.32

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Solution

The fourth proportional to 85,229.04, 117,611.28 and 46,987.32 is: 64,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.04 : 117,611.28 = 46,987.32 : x
  2. Step 2: Convert to fraction form
    85,229.04/117,611.28 = 46,987.32/x
  3. Step 3: Cross multiply
    85,229.04x = 117,611.28 × 46,987.32
  4. Step 4: Simplify right side
    85,229.04x = 5,526,238,848.97
  5. Step 5: Solve for x
    x = 5,526,238,848.97/85,229.04
  6. Step 6: Final answer
    x = 64,839.86

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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.