Home / 77,322.45-106,756.16-59,385.27

Finding the Fourth Proportional to 77,322.45, 106,756.16 and 59,385.27

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Solution

The fourth proportional to 77,322.45, 106,756.16 and 59,385.27 is: 81,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,322.45 : 106,756.16 = 59,385.27 : x
  2. Step 2: Convert to fraction form
    77,322.45/106,756.16 = 59,385.27/x
  3. Step 3: Cross multiply
    77,322.45x = 106,756.16 × 59,385.27
  4. Step 4: Simplify right side
    77,322.45x = 6,339,743,088.84
  5. Step 5: Solve for x
    x = 6,339,743,088.84/77,322.45
  6. Step 6: Final answer
    x = 81,990.98

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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.