Home / 77,320.93-106,710.36-43,335.15

Finding the Fourth Proportional to 77,320.93, 106,710.36 and 43,335.15

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Solution

The fourth proportional to 77,320.93, 106,710.36 and 43,335.15 is: 59,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320.93 : 106,710.36 = 43,335.15 : x
  2. Step 2: Convert to fraction form
    77,320.93/106,710.36 = 43,335.15/x
  3. Step 3: Cross multiply
    77,320.93x = 106,710.36 × 43,335.15
  4. Step 4: Simplify right side
    77,320.93x = 4,624,309,738.49
  5. Step 5: Solve for x
    x = 4,624,309,738.49/77,320.93
  6. Step 6: Final answer
    x = 59,806.70

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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.