Home / 99,159.24-148,739.04-69,708.84

Finding the Fourth Proportional to 99,159.24, 148,739.04 and 69,708.84

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Solution

The fourth proportional to 99,159.24, 148,739.04 and 69,708.84 is: 104,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,159.24 : 148,739.04 = 69,708.84 : x
  2. Step 2: Convert to fraction form
    99,159.24/148,739.04 = 69,708.84/x
  3. Step 3: Cross multiply
    99,159.24x = 148,739.04 × 69,708.84
  4. Step 4: Simplify right side
    99,159.24x = 10,368,425,941.11
  5. Step 5: Solve for x
    x = 10,368,425,941.11/99,159.24
  6. Step 6: Final answer
    x = 104,563.39

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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.