Home / 75,079.17-103,607.64-41,087.52

Finding the Fourth Proportional to 75,079.17, 103,607.64 and 41,087.52

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Solution

The fourth proportional to 75,079.17, 103,607.64 and 41,087.52 is: 56,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,079.17 : 103,607.64 = 41,087.52 : x
  2. Step 2: Convert to fraction form
    75,079.17/103,607.64 = 41,087.52/x
  3. Step 3: Cross multiply
    75,079.17x = 103,607.64 × 41,087.52
  4. Step 4: Simplify right side
    75,079.17x = 4,256,980,980.65
  5. Step 5: Solve for x
    x = 4,256,980,980.65/75,079.17
  6. Step 6: Final answer
    x = 56,699.89

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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.