Home / 99,220.34-148,829.81-40,055.11

Finding the Fourth Proportional to 99,220.34, 148,829.81 and 40,055.11

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Solution

The fourth proportional to 99,220.34, 148,829.81 and 40,055.11 is: 60,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220.34 : 148,829.81 = 40,055.11 : x
  2. Step 2: Convert to fraction form
    99,220.34/148,829.81 = 40,055.11/x
  3. Step 3: Cross multiply
    99,220.34x = 148,829.81 × 40,055.11
  4. Step 4: Simplify right side
    99,220.34x = 5,961,393,838.48
  5. Step 5: Solve for x
    x = 5,961,393,838.48/99,220.34
  6. Step 6: Final answer
    x = 60,082.38

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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.