Home / 98,829.10-136,384.23-53,507.11

Finding the Fourth Proportional to 98,829.10, 136,384.23 and 53,507.11

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Solution

The fourth proportional to 98,829.10, 136,384.23 and 53,507.11 is: 73,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.10 : 136,384.23 = 53,507.11 : x
  2. Step 2: Convert to fraction form
    98,829.10/136,384.23 = 53,507.11/x
  3. Step 3: Cross multiply
    98,829.10x = 136,384.23 × 53,507.11
  4. Step 4: Simplify right side
    98,829.10x = 7,297,525,996.88
  5. Step 5: Solve for x
    x = 7,297,525,996.88/98,829.10
  6. Step 6: Final answer
    x = 73,839.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.