Home / 99,706.04-149,526.70-33,128.29

Finding the Fourth Proportional to 99,706.04, 149,526.70 and 33,128.29

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Solution

The fourth proportional to 99,706.04, 149,526.70 and 33,128.29 is: 49,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706.04 : 149,526.70 = 33,128.29 : x
  2. Step 2: Convert to fraction form
    99,706.04/149,526.70 = 33,128.29/x
  3. Step 3: Cross multiply
    99,706.04x = 149,526.70 × 33,128.29
  4. Step 4: Simplify right side
    99,706.04x = 4,953,563,880.34
  5. Step 5: Solve for x
    x = 4,953,563,880.34/99,706.04
  6. Step 6: Final answer
    x = 49,681.68

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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.