Home / 102,611.02-141,615.80-59,581.12

Finding the Fourth Proportional to 102,611.02, 141,615.80 and 59,581.12

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Solution

The fourth proportional to 102,611.02, 141,615.80 and 59,581.12 is: 82,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,611.02 : 141,615.80 = 59,581.12 : x
  2. Step 2: Convert to fraction form
    102,611.02/141,615.80 = 59,581.12/x
  3. Step 3: Cross multiply
    102,611.02x = 141,615.80 × 59,581.12
  4. Step 4: Simplify right side
    102,611.02x = 8,437,627,973.70
  5. Step 5: Solve for x
    x = 8,437,627,973.70/102,611.02
  6. Step 6: Final answer
    x = 82,229.26

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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.