Home / 103,973.40-156,014.10-48,569.40

Finding the Fourth Proportional to 103,973.40, 156,014.10 and 48,569.40

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Solution

The fourth proportional to 103,973.40, 156,014.10 and 48,569.40 is: 72,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,973.40 : 156,014.10 = 48,569.40 : x
  2. Step 2: Convert to fraction form
    103,973.40/156,014.10 = 48,569.40/x
  3. Step 3: Cross multiply
    103,973.40x = 156,014.10 × 48,569.40
  4. Step 4: Simplify right side
    103,973.40x = 7,577,511,228.54
  5. Step 5: Solve for x
    x = 7,577,511,228.54/103,973.40
  6. Step 6: Final answer
    x = 72,879.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.