Home / 99,135.77-148,672.16-32,560.40

Finding the Fourth Proportional to 99,135.77, 148,672.16 and 32,560.40

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Solution

The fourth proportional to 99,135.77, 148,672.16 and 32,560.40 is: 48,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,135.77 : 148,672.16 = 32,560.40 : x
  2. Step 2: Convert to fraction form
    99,135.77/148,672.16 = 32,560.40/x
  3. Step 3: Cross multiply
    99,135.77x = 148,672.16 × 32,560.40
  4. Step 4: Simplify right side
    99,135.77x = 4,840,824,493.16
  5. Step 5: Solve for x
    x = 4,840,824,493.16/99,135.77
  6. Step 6: Final answer
    x = 48,830.25

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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.