Home / 77,326.20-106,761.57-59,389.14

Finding the Fourth Proportional to 77,326.20, 106,761.57 and 59,389.14

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Solution

The fourth proportional to 77,326.20, 106,761.57 and 59,389.14 is: 81,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.20 : 106,761.57 = 59,389.14 : x
  2. Step 2: Convert to fraction form
    77,326.20/106,761.57 = 59,389.14/x
  3. Step 3: Cross multiply
    77,326.20x = 106,761.57 × 59,389.14
  4. Step 4: Simplify right side
    77,326.20x = 6,340,477,827.35
  5. Step 5: Solve for x
    x = 6,340,477,827.35/77,326.20
  6. Step 6: Final answer
    x = 81,996.50

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1.5x scale

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.