Home / 74,779.46-103,137.30-47,924.45

Finding the Fourth Proportional to 74,779.46, 103,137.30 and 47,924.45

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Solution

The fourth proportional to 74,779.46, 103,137.30 and 47,924.45 is: 66,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,779.46 : 103,137.30 = 47,924.45 : x
  2. Step 2: Convert to fraction form
    74,779.46/103,137.30 = 47,924.45/x
  3. Step 3: Cross multiply
    74,779.46x = 103,137.30 × 47,924.45
  4. Step 4: Simplify right side
    74,779.46x = 4,942,798,248.06
  5. Step 5: Solve for x
    x = 4,942,798,248.06/74,779.46
  6. Step 6: Final answer
    x = 66,098.34

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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.