Home / 77,338.90-106,730.61-43,348.01

Finding the Fourth Proportional to 77,338.90, 106,730.61 and 43,348.01

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Solution

The fourth proportional to 77,338.90, 106,730.61 and 43,348.01 is: 59,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338.90 : 106,730.61 = 43,348.01 : x
  2. Step 2: Convert to fraction form
    77,338.90/106,730.61 = 43,348.01/x
  3. Step 3: Cross multiply
    77,338.90x = 106,730.61 × 43,348.01
  4. Step 4: Simplify right side
    77,338.90x = 4,626,559,697.57
  5. Step 5: Solve for x
    x = 4,626,559,697.57/77,338.90
  6. Step 6: Final answer
    x = 59,821.90

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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.