Home / 90,106.56-134,825.04-56,670.48

Finding the Fourth Proportional to 90,106.56, 134,825.04 and 56,670.48

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Solution

The fourth proportional to 90,106.56, 134,825.04 and 56,670.48 is: 84,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,106.56 : 134,825.04 = 56,670.48 : x
  2. Step 2: Convert to fraction form
    90,106.56/134,825.04 = 56,670.48/x
  3. Step 3: Cross multiply
    90,106.56x = 134,825.04 × 56,670.48
  4. Step 4: Simplify right side
    90,106.56x = 7,640,599,732.82
  5. Step 5: Solve for x
    x = 7,640,599,732.82/90,106.56
  6. Step 6: Final answer
    x = 84,795.16

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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.