Home / 94,605.54-130,578.39-56,872.50

Finding the Fourth Proportional to 94,605.54, 130,578.39 and 56,872.50

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Solution

The fourth proportional to 94,605.54, 130,578.39 and 56,872.50 is: 78,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,605.54 : 130,578.39 = 56,872.50 : x
  2. Step 2: Convert to fraction form
    94,605.54/130,578.39 = 56,872.50/x
  3. Step 3: Cross multiply
    94,605.54x = 130,578.39 × 56,872.50
  4. Step 4: Simplify right side
    94,605.54x = 7,426,319,485.28
  5. Step 5: Solve for x
    x = 7,426,319,485.28/94,605.54
  6. Step 6: Final answer
    x = 78,497.72

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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.