Home / 57,036.64-78,710.79-31,886.14

Finding the Fourth Proportional to 57,036.64, 78,710.79 and 31,886.14

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Solution

The fourth proportional to 57,036.64, 78,710.79 and 31,886.14 is: 44,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.64 : 78,710.79 = 31,886.14 : x
  2. Step 2: Convert to fraction form
    57,036.64/78,710.79 = 31,886.14/x
  3. Step 3: Cross multiply
    57,036.64x = 78,710.79 × 31,886.14
  4. Step 4: Simplify right side
    57,036.64x = 2,509,783,269.45
  5. Step 5: Solve for x
    x = 2,509,783,269.45/57,036.64
  6. Step 6: Final answer
    x = 44,003.00

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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.