Home / 61,886.07-85,249.71-52,781.67

Finding the Fourth Proportional to 61,886.07, 85,249.71 and 52,781.67

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Solution

The fourth proportional to 61,886.07, 85,249.71 and 52,781.67 is: 72,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,886.07 : 85,249.71 = 52,781.67 : x
  2. Step 2: Convert to fraction form
    61,886.07/85,249.71 = 52,781.67/x
  3. Step 3: Cross multiply
    61,886.07x = 85,249.71 × 52,781.67
  4. Step 4: Simplify right side
    61,886.07x = 4,499,622,060.82
  5. Step 5: Solve for x
    x = 4,499,622,060.82/61,886.07
  6. Step 6: Final answer
    x = 72,708.16

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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.