Home / 74,315.64-111,343.86-61,915.26

Finding the Fourth Proportional to 74,315.64, 111,343.86 and 61,915.26

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Solution

The fourth proportional to 74,315.64, 111,343.86 and 61,915.26 is: 92,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.64 : 111,343.86 = 61,915.26 : x
  2. Step 2: Convert to fraction form
    74,315.64/111,343.86 = 61,915.26/x
  3. Step 3: Cross multiply
    74,315.64x = 111,343.86 × 61,915.26
  4. Step 4: Simplify right side
    74,315.64x = 6,893,884,041.30
  5. Step 5: Solve for x
    x = 6,893,884,041.30/74,315.64
  6. Step 6: Final answer
    x = 92,764.92

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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.