Home / 74,622.15-103,109.67-59,638.50

Finding the Fourth Proportional to 74,622.15, 103,109.67 and 59,638.50

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Solution

The fourth proportional to 74,622.15, 103,109.67 and 59,638.50 is: 82,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,622.15 : 103,109.67 = 59,638.50 : x
  2. Step 2: Convert to fraction form
    74,622.15/103,109.67 = 59,638.50/x
  3. Step 3: Cross multiply
    74,622.15x = 103,109.67 × 59,638.50
  4. Step 4: Simplify right side
    74,622.15x = 6,149,306,054.30
  5. Step 5: Solve for x
    x = 6,149,306,054.30/74,622.15
  6. Step 6: Final answer
    x = 82,405.91

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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.