Home / 61,302.74-84,636.51-40,117.82

Finding the Fourth Proportional to 61,302.74, 84,636.51 and 40,117.82

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Solution

The fourth proportional to 61,302.74, 84,636.51 and 40,117.82 is: 55,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.74 : 84,636.51 = 40,117.82 : x
  2. Step 2: Convert to fraction form
    61,302.74/84,636.51 = 40,117.82/x
  3. Step 3: Cross multiply
    61,302.74x = 84,636.51 × 40,117.82
  4. Step 4: Simplify right side
    61,302.74x = 3,395,432,273.61
  5. Step 5: Solve for x
    x = 3,395,432,273.61/61,302.74
  6. Step 6: Final answer
    x = 55,387.94

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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.