Home / 98,829.24-136,384.15-53,507.20

Finding the Fourth Proportional to 98,829.24, 136,384.15 and 53,507.20

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Solution

The fourth proportional to 98,829.24, 136,384.15 and 53,507.20 is: 73,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.24 : 136,384.15 = 53,507.20 : x
  2. Step 2: Convert to fraction form
    98,829.24/136,384.15 = 53,507.20/x
  3. Step 3: Cross multiply
    98,829.24x = 136,384.15 × 53,507.20
  4. Step 4: Simplify right side
    98,829.24x = 7,297,533,723.34
  5. Step 5: Solve for x
    x = 7,297,533,723.34/98,829.24
  6. Step 6: Final answer
    x = 73,839.83

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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.