Home / 102,455.16-153,682.73-27,575.46

Finding the Fourth Proportional to 102,455.16, 153,682.73 and 27,575.46

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Solution

The fourth proportional to 102,455.16, 153,682.73 and 27,575.46 is: 41,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455.16 : 153,682.73 = 27,575.46 : x
  2. Step 2: Convert to fraction form
    102,455.16/153,682.73 = 27,575.46/x
  3. Step 3: Cross multiply
    102,455.16x = 153,682.73 × 27,575.46
  4. Step 4: Simplify right side
    102,455.16x = 4,237,871,973.81
  5. Step 5: Solve for x
    x = 4,237,871,973.81/102,455.16
  6. Step 6: Final answer
    x = 41,363.19

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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.