Home / 77,142.24-106,557.92-59,206.41

Finding the Fourth Proportional to 77,142.24, 106,557.92 and 59,206.41

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Solution

The fourth proportional to 77,142.24, 106,557.92 and 59,206.41 is: 81,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,142.24 : 106,557.92 = 59,206.41 : x
  2. Step 2: Convert to fraction form
    77,142.24/106,557.92 = 59,206.41/x
  3. Step 3: Cross multiply
    77,142.24x = 106,557.92 × 59,206.41
  4. Step 4: Simplify right side
    77,142.24x = 6,308,911,900.27
  5. Step 5: Solve for x
    x = 6,308,911,900.27/77,142.24
  6. Step 6: Final answer
    x = 81,782.85

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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.