Home / 124,813.98-172,231.08-71,094.78

Finding the Fourth Proportional to 124,813.98, 172,231.08 and 71,094.78

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Solution

The fourth proportional to 124,813.98, 172,231.08 and 71,094.78 is: 98,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,813.98 : 172,231.08 = 71,094.78 : x
  2. Step 2: Convert to fraction form
    124,813.98/172,231.08 = 71,094.78/x
  3. Step 3: Cross multiply
    124,813.98x = 172,231.08 × 71,094.78
  4. Step 4: Simplify right side
    124,813.98x = 12,244,730,741.76
  5. Step 5: Solve for x
    x = 12,244,730,741.76/124,813.98
  6. Step 6: Final answer
    x = 98,103.84

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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.