Home / 55,931.24-77,018.58-54,689.48

Finding the Fourth Proportional to 55,931.24, 77,018.58 and 54,689.48

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Solution

The fourth proportional to 55,931.24, 77,018.58 and 54,689.48 is: 75,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.24 : 77,018.58 = 54,689.48 : x
  2. Step 2: Convert to fraction form
    55,931.24/77,018.58 = 54,689.48/x
  3. Step 3: Cross multiply
    55,931.24x = 77,018.58 × 54,689.48
  4. Step 4: Simplify right side
    55,931.24x = 4,212,106,090.54
  5. Step 5: Solve for x
    x = 4,212,106,090.54/55,931.24
  6. Step 6: Final answer
    x = 75,308.65

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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.