Home / 77,406.77-106,822.22-42,952.13

Finding the Fourth Proportional to 77,406.77, 106,822.22 and 42,952.13

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Solution

The fourth proportional to 77,406.77, 106,822.22 and 42,952.13 is: 59,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,406.77 : 106,822.22 = 42,952.13 : x
  2. Step 2: Convert to fraction form
    77,406.77/106,822.22 = 42,952.13/x
  3. Step 3: Cross multiply
    77,406.77x = 106,822.22 × 42,952.13
  4. Step 4: Simplify right side
    77,406.77x = 4,588,241,880.33
  5. Step 5: Solve for x
    x = 4,588,241,880.33/77,406.77
  6. Step 6: Final answer
    x = 59,274.43

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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.