Home / 74,610.41-111,915.77-61,435.13

Finding the Fourth Proportional to 74,610.41, 111,915.77 and 61,435.13

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Solution

The fourth proportional to 74,610.41, 111,915.77 and 61,435.13 is: 92,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,610.41 : 111,915.77 = 61,435.13 : x
  2. Step 2: Convert to fraction form
    74,610.41/111,915.77 = 61,435.13/x
  3. Step 3: Cross multiply
    74,610.41x = 111,915.77 × 61,435.13
  4. Step 4: Simplify right side
    74,610.41x = 6,875,559,012.25
  5. Step 5: Solve for x
    x = 6,875,559,012.25/74,610.41
  6. Step 6: Final answer
    x = 92,152.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.