Home / 61,184.36-84,502.83-42,122.63

Finding the Fourth Proportional to 61,184.36, 84,502.83 and 42,122.63

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Solution

The fourth proportional to 61,184.36, 84,502.83 and 42,122.63 is: 58,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,184.36 : 84,502.83 = 42,122.63 : x
  2. Step 2: Convert to fraction form
    61,184.36/84,502.83 = 42,122.63/x
  3. Step 3: Cross multiply
    61,184.36x = 84,502.83 × 42,122.63
  4. Step 4: Simplify right side
    61,184.36x = 3,559,481,019.53
  5. Step 5: Solve for x
    x = 3,559,481,019.53/61,184.36
  6. Step 6: Final answer
    x = 58,176.33

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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.