Home / 54,929.40-75,807.30-31,060.32

Finding the Fourth Proportional to 54,929.40, 75,807.30 and 31,060.32

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Solution

The fourth proportional to 54,929.40, 75,807.30 and 31,060.32 is: 42,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.40 : 75,807.30 = 31,060.32 : x
  2. Step 2: Convert to fraction form
    54,929.40/75,807.30 = 31,060.32/x
  3. Step 3: Cross multiply
    54,929.40x = 75,807.30 × 31,060.32
  4. Step 4: Simplify right side
    54,929.40x = 2,354,598,996.34
  5. Step 5: Solve for x
    x = 2,354,598,996.34/54,929.40
  6. Step 6: Final answer
    x = 42,865.92

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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.