Home / 74,971.08-112,478.45-35,473.86

Finding the Fourth Proportional to 74,971.08, 112,478.45 and 35,473.86

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Solution

The fourth proportional to 74,971.08, 112,478.45 and 35,473.86 is: 53,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,971.08 : 112,478.45 = 35,473.86 : x
  2. Step 2: Convert to fraction form
    74,971.08/112,478.45 = 35,473.86/x
  3. Step 3: Cross multiply
    74,971.08x = 112,478.45 × 35,473.86
  4. Step 4: Simplify right side
    74,971.08x = 3,990,044,610.95
  5. Step 5: Solve for x
    x = 3,990,044,610.95/74,971.08
  6. Step 6: Final answer
    x = 53,221.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.