Home / 77,285.52-115,757.01-59,384.40

Finding the Fourth Proportional to 77,285.52, 115,757.01 and 59,384.40

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Solution

The fourth proportional to 77,285.52, 115,757.01 and 59,384.40 is: 88,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,285.52 : 115,757.01 = 59,384.40 : x
  2. Step 2: Convert to fraction form
    77,285.52/115,757.01 = 59,384.40/x
  3. Step 3: Cross multiply
    77,285.52x = 115,757.01 × 59,384.40
  4. Step 4: Simplify right side
    77,285.52x = 6,874,160,584.64
  5. Step 5: Solve for x
    x = 6,874,160,584.64/77,285.52
  6. Step 6: Final answer
    x = 88,945.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.