Home / 74,529.65-111,663.25-70,090.04

Finding the Fourth Proportional to 74,529.65, 111,663.25 and 70,090.04

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Solution

The fourth proportional to 74,529.65, 111,663.25 and 70,090.04 is: 105,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.65 : 111,663.25 = 70,090.04 : x
  2. Step 2: Convert to fraction form
    74,529.65/111,663.25 = 70,090.04/x
  3. Step 3: Cross multiply
    74,529.65x = 111,663.25 × 70,090.04
  4. Step 4: Simplify right side
    74,529.65x = 7,826,481,762.96
  5. Step 5: Solve for x
    x = 7,826,481,762.96/74,529.65
  6. Step 6: Final answer
    x = 105,011.65

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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.