Home / 77,243.90-106,595.74-43,252.70

Finding the Fourth Proportional to 77,243.90, 106,595.74 and 43,252.70

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Solution

The fourth proportional to 77,243.90, 106,595.74 and 43,252.70 is: 59,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,243.90 : 106,595.74 = 43,252.70 : x
  2. Step 2: Convert to fraction form
    77,243.90/106,595.74 = 43,252.70/x
  3. Step 3: Cross multiply
    77,243.90x = 106,595.74 × 43,252.70
  4. Step 4: Simplify right side
    77,243.90x = 4,610,553,563.50
  5. Step 5: Solve for x
    x = 4,610,553,563.50/77,243.90
  6. Step 6: Final answer
    x = 59,688.25

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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.