Home / 77,637.80-116,457.24-33,227.12

Finding the Fourth Proportional to 77,637.80, 116,457.24 and 33,227.12

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Solution

The fourth proportional to 77,637.80, 116,457.24 and 33,227.12 is: 49,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,637.80 : 116,457.24 = 33,227.12 : x
  2. Step 2: Convert to fraction form
    77,637.80/116,457.24 = 33,227.12/x
  3. Step 3: Cross multiply
    77,637.80x = 116,457.24 × 33,227.12
  4. Step 4: Simplify right side
    77,637.80x = 3,869,538,688.35
  5. Step 5: Solve for x
    x = 3,869,538,688.35/77,637.80
  6. Step 6: Final answer
    x = 49,840.91

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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.