Home / 77,365.24-106,744.05-45,528.16

Finding the Fourth Proportional to 77,365.24, 106,744.05 and 45,528.16

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Solution

The fourth proportional to 77,365.24, 106,744.05 and 45,528.16 is: 62,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,365.24 : 106,744.05 = 45,528.16 : x
  2. Step 2: Convert to fraction form
    77,365.24/106,744.05 = 45,528.16/x
  3. Step 3: Cross multiply
    77,365.24x = 106,744.05 × 45,528.16
  4. Step 4: Simplify right side
    77,365.24x = 4,859,860,187.45
  5. Step 5: Solve for x
    x = 4,859,860,187.45/77,365.24
  6. Step 6: Final answer
    x = 62,817.10

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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.