Home / 85,071.19-117,405.02-49,261.83

Finding the Fourth Proportional to 85,071.19, 117,405.02 and 49,261.83

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Solution

The fourth proportional to 85,071.19, 117,405.02 and 49,261.83 is: 67,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.19 : 117,405.02 = 49,261.83 : x
  2. Step 2: Convert to fraction form
    85,071.19/117,405.02 = 49,261.83/x
  3. Step 3: Cross multiply
    85,071.19x = 117,405.02 × 49,261.83
  4. Step 4: Simplify right side
    85,071.19x = 5,783,586,136.39
  5. Step 5: Solve for x
    x = 5,783,586,136.39/85,071.19
  6. Step 6: Final answer
    x = 67,985.25

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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.