Home / 54,892.54-75,750.71-31,018.70

Finding the Fourth Proportional to 54,892.54, 75,750.71 and 31,018.70

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Solution

The fourth proportional to 54,892.54, 75,750.71 and 31,018.70 is: 42,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,892.54 : 75,750.71 = 31,018.70 : x
  2. Step 2: Convert to fraction form
    54,892.54/75,750.71 = 31,018.70/x
  3. Step 3: Cross multiply
    54,892.54x = 75,750.71 × 31,018.70
  4. Step 4: Simplify right side
    54,892.54x = 2,349,688,548.28
  5. Step 5: Solve for x
    x = 2,349,688,548.28/54,892.54
  6. Step 6: Final answer
    x = 42,805.24

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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.