Home / 99,977.11-149,935.39-52,566.66

Finding the Fourth Proportional to 99,977.11, 149,935.39 and 52,566.66

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Solution

The fourth proportional to 99,977.11, 149,935.39 and 52,566.66 is: 78,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,977.11 : 149,935.39 = 52,566.66 : x
  2. Step 2: Convert to fraction form
    99,977.11/149,935.39 = 52,566.66/x
  3. Step 3: Cross multiply
    99,977.11x = 149,935.39 × 52,566.66
  4. Step 4: Simplify right side
    99,977.11x = 7,881,602,536.68
  5. Step 5: Solve for x
    x = 7,881,602,536.68/99,977.11
  6. Step 6: Final answer
    x = 78,834.07

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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.