Home / 99,264.79-148,896.80-28,187.43

Finding the Fourth Proportional to 99,264.79, 148,896.80 and 28,187.43

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Solution

The fourth proportional to 99,264.79, 148,896.80 and 28,187.43 is: 42,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264.79 : 148,896.80 = 28,187.43 : x
  2. Step 2: Convert to fraction form
    99,264.79/148,896.80 = 28,187.43/x
  3. Step 3: Cross multiply
    99,264.79x = 148,896.80 × 28,187.43
  4. Step 4: Simplify right side
    99,264.79x = 4,197,017,593.08
  5. Step 5: Solve for x
    x = 4,197,017,593.08/99,264.79
  6. Step 6: Final answer
    x = 42,281.03

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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.