Home / 77,104.94-106,465.13-59,171.54

Finding the Fourth Proportional to 77,104.94, 106,465.13 and 59,171.54

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Solution

The fourth proportional to 77,104.94, 106,465.13 and 59,171.54 is: 81,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,104.94 : 106,465.13 = 59,171.54 : x
  2. Step 2: Convert to fraction form
    77,104.94/106,465.13 = 59,171.54/x
  3. Step 3: Cross multiply
    77,104.94x = 106,465.13 × 59,171.54
  4. Step 4: Simplify right side
    77,104.94x = 6,299,704,870.22
  5. Step 5: Solve for x
    x = 6,299,704,870.22/77,104.94
  6. Step 6: Final answer
    x = 81,703.00

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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.