Home / 103,154.03-142,352.44-57,832.02

Finding the Fourth Proportional to 103,154.03, 142,352.44 and 57,832.02

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Solution

The fourth proportional to 103,154.03, 142,352.44 and 57,832.02 is: 79,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,154.03 : 142,352.44 = 57,832.02 : x
  2. Step 2: Convert to fraction form
    103,154.03/142,352.44 = 57,832.02/x
  3. Step 3: Cross multiply
    103,154.03x = 142,352.44 × 57,832.02
  4. Step 4: Simplify right side
    103,154.03x = 8,232,529,012.55
  5. Step 5: Solve for x
    x = 8,232,529,012.55/103,154.03
  6. Step 6: Final answer
    x = 79,808.12

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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.