Home / 99,708.04-149,529.70-33,130.29

Finding the Fourth Proportional to 99,708.04, 149,529.70 and 33,130.29

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Solution

The fourth proportional to 99,708.04, 149,529.70 and 33,130.29 is: 49,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708.04 : 149,529.70 = 33,130.29 : x
  2. Step 2: Convert to fraction form
    99,708.04/149,529.70 = 33,130.29/x
  3. Step 3: Cross multiply
    99,708.04x = 149,529.70 × 33,130.29
  4. Step 4: Simplify right side
    99,708.04x = 4,953,962,324.61
  5. Step 5: Solve for x
    x = 4,953,962,324.61/99,708.04
  6. Step 6: Final answer
    x = 49,684.68

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1.5x scale

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.