Home / 51,529.20-77,203.08-45,132.63

Finding the Fourth Proportional to 51,529.20, 77,203.08 and 45,132.63

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Solution

The fourth proportional to 51,529.20, 77,203.08 and 45,132.63 is: 67,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,529.20 : 77,203.08 = 45,132.63 : x
  2. Step 2: Convert to fraction form
    51,529.20/77,203.08 = 45,132.63/x
  3. Step 3: Cross multiply
    51,529.20x = 77,203.08 × 45,132.63
  4. Step 4: Simplify right side
    51,529.20x = 3,484,378,044.50
  5. Step 5: Solve for x
    x = 3,484,378,044.50/51,529.20
  6. Step 6: Final answer
    x = 67,619.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.