Home / 56,121.05-77,384.26-45,880.12

Finding the Fourth Proportional to 56,121.05, 77,384.26 and 45,880.12

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Solution

The fourth proportional to 56,121.05, 77,384.26 and 45,880.12 is: 63,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121.05 : 77,384.26 = 45,880.12 : x
  2. Step 2: Convert to fraction form
    56,121.05/77,384.26 = 45,880.12/x
  3. Step 3: Cross multiply
    56,121.05x = 77,384.26 × 45,880.12
  4. Step 4: Simplify right side
    56,121.05x = 3,550,399,288.99
  5. Step 5: Solve for x
    x = 3,550,399,288.99/56,121.05
  6. Step 6: Final answer
    x = 63,263.23

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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.