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Finding the Fourth Proportional to 73,670.58, 101,660.72 and 43,457.12

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Solution

The fourth proportional to 73,670.58, 101,660.72 and 43,457.12 is: 59,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,670.58 : 101,660.72 = 43,457.12 : x
  2. Step 2: Convert to fraction form
    73,670.58/101,660.72 = 43,457.12/x
  3. Step 3: Cross multiply
    73,670.58x = 101,660.72 × 43,457.12
  4. Step 4: Simplify right side
    73,670.58x = 4,417,882,108.33
  5. Step 5: Solve for x
    x = 4,417,882,108.33/73,670.58
  6. Step 6: Final answer
    x = 59,968.06

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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.