Home / 94,104.76-129,864-51,085.12

Finding the Fourth Proportional to 94,104.76, 129,864 and 51,085.12

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Solution

The fourth proportional to 94,104.76, 129,864 and 51,085.12 is: 70,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,104.76 : 129,864 = 51,085.12 : x
  2. Step 2: Convert to fraction form
    94,104.76/129,864 = 51,085.12/x
  3. Step 3: Cross multiply
    94,104.76x = 129,864 × 51,085.12
  4. Step 4: Simplify right side
    94,104.76x = 6,634,118,023.68
  5. Step 5: Solve for x
    x = 6,634,118,023.68/94,104.76
  6. Step 6: Final answer
    x = 70,497.16

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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.