Home / 61,904.55-85,508.40-51,192.69

Finding the Fourth Proportional to 61,904.55, 85,508.40 and 51,192.69

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Solution

The fourth proportional to 61,904.55, 85,508.40 and 51,192.69 is: 70,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,904.55 : 85,508.40 = 51,192.69 : x
  2. Step 2: Convert to fraction form
    61,904.55/85,508.40 = 51,192.69/x
  3. Step 3: Cross multiply
    61,904.55x = 85,508.40 × 51,192.69
  4. Step 4: Simplify right side
    61,904.55x = 4,377,405,013.60
  5. Step 5: Solve for x
    x = 4,377,405,013.60/61,904.55
  6. Step 6: Final answer
    x = 70,712.17

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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.