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Finding the Fourth Proportional to 65,971.86, 90,898.57 and 44,714.22

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Solution

The fourth proportional to 65,971.86, 90,898.57 and 44,714.22 is: 61,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,971.86 : 90,898.57 = 44,714.22 : x
  2. Step 2: Convert to fraction form
    65,971.86/90,898.57 = 44,714.22/x
  3. Step 3: Cross multiply
    65,971.86x = 90,898.57 × 44,714.22
  4. Step 4: Simplify right side
    65,971.86x = 4,064,458,656.67
  5. Step 5: Solve for x
    x = 4,064,458,656.67/65,971.86
  6. Step 6: Final answer
    x = 61,608.97

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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.