Home / 66,741.18-92,076.63-42,864.54

Finding the Fourth Proportional to 66,741.18, 92,076.63 and 42,864.54

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Solution

The fourth proportional to 66,741.18, 92,076.63 and 42,864.54 is: 59,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.18 : 92,076.63 = 42,864.54 : x
  2. Step 2: Convert to fraction form
    66,741.18/92,076.63 = 42,864.54/x
  3. Step 3: Cross multiply
    66,741.18x = 92,076.63 × 42,864.54
  4. Step 4: Simplify right side
    66,741.18x = 3,946,822,389.70
  5. Step 5: Solve for x
    x = 3,946,822,389.70/66,741.18
  6. Step 6: Final answer
    x = 59,136.24

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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.