Home / 102,884.06-154,332.11-39,704.51

Finding the Fourth Proportional to 102,884.06, 154,332.11 and 39,704.51

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Solution

The fourth proportional to 102,884.06, 154,332.11 and 39,704.51 is: 59,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884.06 : 154,332.11 = 39,704.51 : x
  2. Step 2: Convert to fraction form
    102,884.06/154,332.11 = 39,704.51/x
  3. Step 3: Cross multiply
    102,884.06x = 154,332.11 × 39,704.51
  4. Step 4: Simplify right side
    102,884.06x = 6,127,679,834.63
  5. Step 5: Solve for x
    x = 6,127,679,834.63/102,884.06
  6. Step 6: Final answer
    x = 59,559.08

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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.