Home / 70,717.44-97,590.77-38,886.57

Finding the Fourth Proportional to 70,717.44, 97,590.77 and 38,886.57

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Solution

The fourth proportional to 70,717.44, 97,590.77 and 38,886.57 is: 53,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,717.44 : 97,590.77 = 38,886.57 : x
  2. Step 2: Convert to fraction form
    70,717.44/97,590.77 = 38,886.57/x
  3. Step 3: Cross multiply
    70,717.44x = 97,590.77 × 38,886.57
  4. Step 4: Simplify right side
    70,717.44x = 3,794,970,114.53
  5. Step 5: Solve for x
    x = 3,794,970,114.53/70,717.44
  6. Step 6: Final answer
    x = 53,663.85

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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.