Home / 103,316.08-142,571.52-63,023.44

Finding the Fourth Proportional to 103,316.08, 142,571.52 and 63,023.44

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Solution

The fourth proportional to 103,316.08, 142,571.52 and 63,023.44 is: 86,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,316.08 : 142,571.52 = 63,023.44 : x
  2. Step 2: Convert to fraction form
    103,316.08/142,571.52 = 63,023.44/x
  3. Step 3: Cross multiply
    103,316.08x = 142,571.52 × 63,023.44
  4. Step 4: Simplify right side
    103,316.08x = 8,985,347,636.43
  5. Step 5: Solve for x
    x = 8,985,347,636.43/103,316.08
  6. Step 6: Final answer
    x = 86,969.50

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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.