Home / 124,031.25-171,163.13-67,443.03

Finding the Fourth Proportional to 124,031.25, 171,163.13 and 67,443.03

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Solution

The fourth proportional to 124,031.25, 171,163.13 and 67,443.03 is: 93,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,031.25 : 171,163.13 = 67,443.03 : x
  2. Step 2: Convert to fraction form
    124,031.25/171,163.13 = 67,443.03/x
  3. Step 3: Cross multiply
    124,031.25x = 171,163.13 × 67,443.03
  4. Step 4: Simplify right side
    124,031.25x = 11,543,759,774.27
  5. Step 5: Solve for x
    x = 11,543,759,774.27/124,031.25
  6. Step 6: Final answer
    x = 93,071.38

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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.