Home / 104,642.16-156,752.82-48,403.32

Finding the Fourth Proportional to 104,642.16, 156,752.82 and 48,403.32

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Solution

The fourth proportional to 104,642.16, 156,752.82 and 48,403.32 is: 72,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,642.16 : 156,752.82 = 48,403.32 : x
  2. Step 2: Convert to fraction form
    104,642.16/156,752.82 = 48,403.32/x
  3. Step 3: Cross multiply
    104,642.16x = 156,752.82 × 48,403.32
  4. Step 4: Simplify right side
    104,642.16x = 7,587,356,907.36
  5. Step 5: Solve for x
    x = 7,587,356,907.36/104,642.16
  6. Step 6: Final answer
    x = 72,507.65

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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.