Home / 125,431.48-173,083.98-71,714.80

Finding the Fourth Proportional to 125,431.48, 173,083.98 and 71,714.80

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Solution

The fourth proportional to 125,431.48, 173,083.98 and 71,714.80 is: 98,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,431.48 : 173,083.98 = 71,714.80 : x
  2. Step 2: Convert to fraction form
    125,431.48/173,083.98 = 71,714.80/x
  3. Step 3: Cross multiply
    125,431.48x = 173,083.98 × 71,714.80
  4. Step 4: Simplify right side
    125,431.48x = 12,412,683,008.90
  5. Step 5: Solve for x
    x = 12,412,683,008.90/125,431.48
  6. Step 6: Final answer
    x = 98,959.87

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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.