Home / 75,716.02-104,488.26-45,501.81

Finding the Fourth Proportional to 75,716.02, 104,488.26 and 45,501.81

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Solution

The fourth proportional to 75,716.02, 104,488.26 and 45,501.81 is: 62,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,716.02 : 104,488.26 = 45,501.81 : x
  2. Step 2: Convert to fraction form
    75,716.02/104,488.26 = 45,501.81/x
  3. Step 3: Cross multiply
    75,716.02x = 104,488.26 × 45,501.81
  4. Step 4: Simplify right side
    75,716.02x = 4,754,404,203.80
  5. Step 5: Solve for x
    x = 4,754,404,203.80/75,716.02
  6. Step 6: Final answer
    x = 62,792.58

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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.