Home / 124,372.88-171,639.20-70,667.00

Finding the Fourth Proportional to 124,372.88, 171,639.20 and 70,667.00

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Solution

The fourth proportional to 124,372.88, 171,639.20 and 70,667.00 is: 97,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,372.88 : 171,639.20 = 70,667.00 : x
  2. Step 2: Convert to fraction form
    124,372.88/171,639.20 = 70,667.00/x
  3. Step 3: Cross multiply
    124,372.88x = 171,639.20 × 70,667.00
  4. Step 4: Simplify right side
    124,372.88x = 12,129,226,134.87
  5. Step 5: Solve for x
    x = 12,129,226,134.87/124,372.88
  6. Step 6: Final answer
    x = 97,523.08

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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.