Home / 50,343.74-69,457.07-31,216.63

Finding the Fourth Proportional to 50,343.74, 69,457.07 and 31,216.63

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Solution

The fourth proportional to 50,343.74, 69,457.07 and 31,216.63 is: 43,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343.74 : 69,457.07 = 31,216.63 : x
  2. Step 2: Convert to fraction form
    50,343.74/69,457.07 = 31,216.63/x
  3. Step 3: Cross multiply
    50,343.74x = 69,457.07 × 31,216.63
  4. Step 4: Simplify right side
    50,343.74x = 2,168,215,355.59
  5. Step 5: Solve for x
    x = 2,168,215,355.59/50,343.74
  6. Step 6: Final answer
    x = 43,068.22

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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.