Home / 77,331.24-106,756.76-47,540.52

Finding the Fourth Proportional to 77,331.24, 106,756.76 and 47,540.52

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Solution

The fourth proportional to 77,331.24, 106,756.76 and 47,540.52 is: 65,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.24 : 106,756.76 = 47,540.52 : x
  2. Step 2: Convert to fraction form
    77,331.24/106,756.76 = 47,540.52/x
  3. Step 3: Cross multiply
    77,331.24x = 106,756.76 × 47,540.52
  4. Step 4: Simplify right side
    77,331.24x = 5,075,271,883.92
  5. Step 5: Solve for x
    x = 5,075,271,883.92/77,331.24
  6. Step 6: Final answer
    x = 65,630.29

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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.