Home / 124,455.24-171,747.54-67,865.40

Finding the Fourth Proportional to 124,455.24, 171,747.54 and 67,865.40

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Solution

The fourth proportional to 124,455.24, 171,747.54 and 67,865.40 is: 93,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,455.24 : 171,747.54 = 67,865.40 : x
  2. Step 2: Convert to fraction form
    124,455.24/171,747.54 = 67,865.40/x
  3. Step 3: Cross multiply
    124,455.24x = 171,747.54 × 67,865.40
  4. Step 4: Simplify right side
    124,455.24x = 11,655,715,501.12
  5. Step 5: Solve for x
    x = 11,655,715,501.12/124,455.24
  6. Step 6: Final answer
    x = 93,653.88

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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.