Home / 70,211.22-96,886.89-39,992.10

Finding the Fourth Proportional to 70,211.22, 96,886.89 and 39,992.10

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Solution

The fourth proportional to 70,211.22, 96,886.89 and 39,992.10 is: 55,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,211.22 : 96,886.89 = 39,992.10 : x
  2. Step 2: Convert to fraction form
    70,211.22/96,886.89 = 39,992.10/x
  3. Step 3: Cross multiply
    70,211.22x = 96,886.89 × 39,992.10
  4. Step 4: Simplify right side
    70,211.22x = 3,874,710,193.57
  5. Step 5: Solve for x
    x = 3,874,710,193.57/70,211.22
  6. Step 6: Final answer
    x = 55,186.48

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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.