Home / 99,133.02-148,473.83-77,651.64

Finding the Fourth Proportional to 99,133.02, 148,473.83 and 77,651.64

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Solution

The fourth proportional to 99,133.02, 148,473.83 and 77,651.64 is: 116,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,133.02 : 148,473.83 = 77,651.64 : x
  2. Step 2: Convert to fraction form
    99,133.02/148,473.83 = 77,651.64/x
  3. Step 3: Cross multiply
    99,133.02x = 148,473.83 × 77,651.64
  4. Step 4: Simplify right side
    99,133.02x = 11,529,236,008.32
  5. Step 5: Solve for x
    x = 11,529,236,008.32/99,133.02
  6. Step 6: Final answer
    x = 116,300.66

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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.