Home / 99,925.11-137,892.51-54,604.67

Finding the Fourth Proportional to 99,925.11, 137,892.51 and 54,604.67

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Solution

The fourth proportional to 99,925.11, 137,892.51 and 54,604.67 is: 75,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,925.11 : 137,892.51 = 54,604.67 : x
  2. Step 2: Convert to fraction form
    99,925.11/137,892.51 = 54,604.67/x
  3. Step 3: Cross multiply
    99,925.11x = 137,892.51 × 54,604.67
  4. Step 4: Simplify right side
    99,925.11x = 7,529,574,314.56
  5. Step 5: Solve for x
    x = 7,529,574,314.56/99,925.11
  6. Step 6: Final answer
    x = 75,352.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.