Home / 55,756.19-76,943.57-30,262.53

Finding the Fourth Proportional to 55,756.19, 76,943.57 and 30,262.53

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Solution

The fourth proportional to 55,756.19, 76,943.57 and 30,262.53 is: 41,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756.19 : 76,943.57 = 30,262.53 : x
  2. Step 2: Convert to fraction form
    55,756.19/76,943.57 = 30,262.53/x
  3. Step 3: Cross multiply
    55,756.19x = 76,943.57 × 30,262.53
  4. Step 4: Simplify right side
    55,756.19x = 2,328,506,944.12
  5. Step 5: Solve for x
    x = 2,328,506,944.12/55,756.19
  6. Step 6: Final answer
    x = 41,762.31

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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.