Home / 90,302.47-124,611.93-50,013.82

Finding the Fourth Proportional to 90,302.47, 124,611.93 and 50,013.82

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Solution

The fourth proportional to 90,302.47, 124,611.93 and 50,013.82 is: 69,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.47 : 124,611.93 = 50,013.82 : x
  2. Step 2: Convert to fraction form
    90,302.47/124,611.93 = 50,013.82/x
  3. Step 3: Cross multiply
    90,302.47x = 124,611.93 × 50,013.82
  4. Step 4: Simplify right side
    90,302.47x = 6,232,318,636.87
  5. Step 5: Solve for x
    x = 6,232,318,636.87/90,302.47
  6. Step 6: Final answer
    x = 69,016.04

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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.