Home / 98,829.54-136,384.84-53,507.56

Finding the Fourth Proportional to 98,829.54, 136,384.84 and 53,507.56

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Solution

The fourth proportional to 98,829.54, 136,384.84 and 53,507.56 is: 73,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.54 : 136,384.84 = 53,507.56 : x
  2. Step 2: Convert to fraction form
    98,829.54/136,384.84 = 53,507.56/x
  3. Step 3: Cross multiply
    98,829.54x = 136,384.84 × 53,507.56
  4. Step 4: Simplify right side
    98,829.54x = 7,297,620,009.39
  5. Step 5: Solve for x
    x = 7,297,620,009.39/98,829.54
  6. Step 6: Final answer
    x = 73,840.47

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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.